31981488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:555

約数の個数: 160

約数和(自身を含む): 109278720

約数和(自身を除く): 77297232

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 33, 34, 42, 44, 48, 51, 56, 66, 68, 77, 84, 88, 102, 112, 119, 132, 136, 154, 168, 176, 187, 204, 231, 238, 264, 272, 308, 336, 357, 374, 408, 462, 476, 509, 528, 561, 616, 714, 748, 816, 924, 952, 1018, 1122, 1232, 1309, 1428, 1496, 1527, 1848, 1904, 2036, 2244, 2618, 2856, 2992, 3054, 3563, 3696, 3927, 4072, 4488, 5236, 5599, 5712, 6108, 7126, 7854, 8144, 8653, 8976, 10472, 10689, 11198, 12216, 14252, 15708, 16797, 17306, 20944, 21378, 22396, 24432, 25959, 28504, 31416, 33594, 34612, 39193, 42756, 44792, 51918, 57008, 60571, 62832, 67188, 69224, 78386, 85512, 89584, 95183, 103836, 117579, 121142, 134376, 138448, 156772, 171024, 181713, 190366, 207672, 235158, 242284, 268752, 285549, 313544, 363426, 380732, 415344, 470316, 484568, 571098, 627088, 666281, 726852, 761464, 940632, 969136, 1142196, 1332562, 1453704, 1522928, 1881264, 1998843, 2284392, 2665124, 2907408, 3997686, 4568784, 5330248, 7995372, 10660496, 15990744, 31981488]

約数ペア:

[(1, 31981488), (2, 15990744), (3, 10660496), (4, 7995372), (6, 5330248), (7, 4568784), (8, 3997686), (11, 2907408), (12, 2665124), (14, 2284392), (16, 1998843), (17, 1881264), (21, 1522928), (22, 1453704), (24, 1332562), (28, 1142196), (33, 969136), (34, 940632), (42, 761464), (44, 726852), (48, 666281), (51, 627088), (56, 571098), (66, 484568), (68, 470316), (77, 415344), (84, 380732), (88, 363426), (102, 313544), (112, 285549), (119, 268752), (132, 242284), (136, 235158), (154, 207672), (168, 190366), (176, 181713), (187, 171024), (204, 156772), (231, 138448), (238, 134376), (264, 121142), (272, 117579), (308, 103836), (336, 95183), (357, 89584), (374, 85512), (408, 78386), (462, 69224), (476, 67188), (509, 62832), (528, 60571), (561, 57008), (616, 51918), (714, 44792), (748, 42756), (816, 39193), (924, 34612), (952, 33594), (1018, 31416), (1122, 28504), (1232, 25959), (1309, 24432), (1428, 22396), (1496, 21378), (1527, 20944), (1848, 17306), (1904, 16797), (2036, 15708), (2244, 14252), (2618, 12216), (2856, 11198), (2992, 10689), (3054, 10472), (3563, 8976), (3696, 8653), (3927, 8144), (4072, 7854), (4488, 7126), (5236, 6108), (5599, 5712)]