665881398

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2708

約数の個数: 160

約数和(自身を含む): 1945145664

約数和(自身を除く): 1279264266

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 81, 91, 102, 117, 119, 126, 153, 162, 182, 189, 221, 234, 238, 273, 306, 351, 357, 378, 442, 459, 546, 567, 663, 702, 714, 819, 918, 1053, 1071, 1134, 1326, 1377, 1547, 1638, 1989, 2106, 2142, 2457, 2657, 2754, 3094, 3213, 3978, 4641, 4914, 5314, 5967, 6426, 7371, 7971, 9282, 9639, 11934, 13923, 14742, 15942, 17901, 18599, 19278, 23913, 27846, 34541, 35802, 37198, 41769, 45169, 47826, 55797, 69082, 71739, 83538, 90338, 103623, 111594, 125307, 135507, 143478, 167391, 207246, 215217, 241787, 250614, 271014, 310869, 316183, 334782, 406521, 430434, 483574, 502173, 587197, 621738, 632366, 725361, 813042, 932607, 948549, 1004346, 1174394, 1219563, 1450722, 1506519, 1761591, 1865214, 1897098, 2176083, 2439126, 2797821, 2845647, 3013038, 3523182, 3658689, 4110379, 4352166, 5284773, 5595642, 5691294, 6528249, 7317378, 8220758, 8536941, 10569546, 12331137, 13056498, 15854319, 17073882, 19584747, 24662274, 25610823, 31708638, 36993411, 39169494, 47562957, 51221646, 73986822, 95125914, 110980233, 221960466, 332940699, 665881398]

約数ペア:

[(1, 665881398), (2, 332940699), (3, 221960466), (6, 110980233), (7, 95125914), (9, 73986822), (13, 51221646), (14, 47562957), (17, 39169494), (18, 36993411), (21, 31708638), (26, 25610823), (27, 24662274), (34, 19584747), (39, 17073882), (42, 15854319), (51, 13056498), (54, 12331137), (63, 10569546), (78, 8536941), (81, 8220758), (91, 7317378), (102, 6528249), (117, 5691294), (119, 5595642), (126, 5284773), (153, 4352166), (162, 4110379), (182, 3658689), (189, 3523182), (221, 3013038), (234, 2845647), (238, 2797821), (273, 2439126), (306, 2176083), (351, 1897098), (357, 1865214), (378, 1761591), (442, 1506519), (459, 1450722), (546, 1219563), (567, 1174394), (663, 1004346), (702, 948549), (714, 932607), (819, 813042), (918, 725361), (1053, 632366), (1071, 621738), (1134, 587197), (1326, 502173), (1377, 483574), (1547, 430434), (1638, 406521), (1989, 334782), (2106, 316183), (2142, 310869), (2457, 271014), (2657, 250614), (2754, 241787), (3094, 215217), (3213, 207246), (3978, 167391), (4641, 143478), (4914, 135507), (5314, 125307), (5967, 111594), (6426, 103623), (7371, 90338), (7971, 83538), (9282, 71739), (9639, 69082), (11934, 55797), (13923, 47826), (14742, 45169), (15942, 41769), (17901, 37198), (18599, 35802), (19278, 34541), (23913, 27846)]