638444268

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 240

約数和(自身を含む): 2106956544

約数和(自身を除く): 1468512276

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 157, 162, 163, 189, 198, 231, 252, 297, 308, 314, 324, 326, 378, 396, 462, 471, 489, 567, 594, 628, 652, 693, 756, 891, 924, 942, 978, 1099, 1134, 1141, 1188, 1386, 1413, 1467, 1727, 1782, 1793, 1884, 1956, 2079, 2198, 2268, 2282, 2772, 2826, 2934, 3297, 3423, 3454, 3564, 3586, 4158, 4239, 4396, 4401, 4564, 5181, 5379, 5652, 5868, 6237, 6594, 6846, 6908, 7172, 8316, 8478, 8802, 9891, 10269, 10362, 10758, 12089, 12474, 12551, 12717, 13188, 13203, 13692, 15543, 16137, 16956, 17604, 19782, 20538, 20724, 21516, 24178, 24948, 25102, 25434, 25591, 26406, 29673, 30807, 31086, 32274, 36267, 37653, 39564, 41076, 46629, 48356, 48411, 50204, 50868, 51182, 52812, 59346, 61614, 62172, 64548, 72534, 75306, 76773, 89019, 92421, 93258, 96822, 102364, 108801, 112959, 118692, 123228, 139887, 145068, 145233, 150612, 153546, 178038, 179137, 184842, 186516, 193644, 217602, 225918, 230319, 279774, 281501, 290466, 307092, 326403, 338877, 356076, 358274, 369684, 435204, 451836, 460638, 537411, 559548, 563002, 580932, 652806, 677754, 690957, 716548, 844503, 921276, 979209, 1016631, 1074822, 1126004, 1305612, 1355508, 1381914, 1612233, 1689006, 1958418, 1970507, 2033262, 2072871, 2149644, 2533509, 2763828, 3224466, 3378012, 3916836, 3941014, 4066524, 4145742, 4836699, 5067018, 5911521, 6448932, 7600527, 7882028, 8291484, 9673398, 10134036, 11823042, 14510097, 15201054, 17734563, 19346796, 22801581, 23646084, 29020194, 30402108, 35469126, 45603162, 53203689, 58040388, 70938252, 91206324, 106407378, 159611067, 212814756, 319222134, 638444268]

約数ペア:

[(1, 638444268), (2, 319222134), (3, 212814756), (4, 159611067), (6, 106407378), (7, 91206324), (9, 70938252), (11, 58040388), (12, 53203689), (14, 45603162), (18, 35469126), (21, 30402108), (22, 29020194), (27, 23646084), (28, 22801581), (33, 19346796), (36, 17734563), (42, 15201054), (44, 14510097), (54, 11823042), (63, 10134036), (66, 9673398), (77, 8291484), (81, 7882028), (84, 7600527), (99, 6448932), (108, 5911521), (126, 5067018), (132, 4836699), (154, 4145742), (157, 4066524), (162, 3941014), (163, 3916836), (189, 3378012), (198, 3224466), (231, 2763828), (252, 2533509), (297, 2149644), (308, 2072871), (314, 2033262), (324, 1970507), (326, 1958418), (378, 1689006), (396, 1612233), (462, 1381914), (471, 1355508), (489, 1305612), (567, 1126004), (594, 1074822), (628, 1016631), (652, 979209), (693, 921276), (756, 844503), (891, 716548), (924, 690957), (942, 677754), (978, 652806), (1099, 580932), (1134, 563002), (1141, 559548), (1188, 537411), (1386, 460638), (1413, 451836), (1467, 435204), (1727, 369684), (1782, 358274), (1793, 356076), (1884, 338877), (1956, 326403), (2079, 307092), (2198, 290466), (2268, 281501), (2282, 279774), (2772, 230319), (2826, 225918), (2934, 217602), (3297, 193644), (3423, 186516), (3454, 184842), (3564, 179137), (3586, 178038), (4158, 153546), (4239, 150612), (4396, 145233), (4401, 145068), (4564, 139887), (5181, 123228), (5379, 118692), (5652, 112959), (5868, 108801), (6237, 102364), (6594, 96822), (6846, 93258), (6908, 92421), (7172, 89019), (8316, 76773), (8478, 75306), (8802, 72534), (9891, 64548), (10269, 62172), (10362, 61614), (10758, 59346), (12089, 52812), (12474, 51182), (12551, 50868), (12717, 50204), (13188, 48411), (13203, 48356), (13692, 46629), (15543, 41076), (16137, 39564), (16956, 37653), (17604, 36267), (19782, 32274), (20538, 31086), (20724, 30807), (21516, 29673), (24178, 26406), (24948, 25591), (25102, 25434)]