262863198

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 665763840

約数和(自身を除く): 402900642

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 47, 54, 62, 78, 93, 94, 117, 141, 186, 234, 257, 279, 282, 351, 403, 423, 514, 558, 611, 702, 771, 806, 837, 846, 1209, 1222, 1269, 1457, 1542, 1674, 1833, 2313, 2418, 2538, 2914, 3341, 3627, 3666, 4371, 4626, 5499, 6682, 6939, 7254, 7967, 8742, 10023, 10881, 10998, 12079, 13113, 13878, 15934, 16497, 18941, 20046, 21762, 23901, 24158, 26226, 30069, 32994, 36237, 37882, 39339, 47802, 56823, 60138, 71703, 72474, 78678, 90207, 103571, 108711, 113646, 143406, 157027, 170469, 180414, 207142, 215109, 217422, 310713, 314054, 326133, 340938, 374449, 430218, 471081, 511407, 621426, 652266, 748898, 932139, 942162, 1022814, 1123347, 1413243, 1864278, 2246694, 2796417, 2826486, 3370041, 4239729, 4867837, 5592834, 6740082, 8479458, 9735674, 10110123, 14603511, 20220246, 29207022, 43810533, 87621066, 131431599, 262863198]

約数ペア:

[(1, 262863198), (2, 131431599), (3, 87621066), (6, 43810533), (9, 29207022), (13, 20220246), (18, 14603511), (26, 10110123), (27, 9735674), (31, 8479458), (39, 6740082), (47, 5592834), (54, 4867837), (62, 4239729), (78, 3370041), (93, 2826486), (94, 2796417), (117, 2246694), (141, 1864278), (186, 1413243), (234, 1123347), (257, 1022814), (279, 942162), (282, 932139), (351, 748898), (403, 652266), (423, 621426), (514, 511407), (558, 471081), (611, 430218), (702, 374449), (771, 340938), (806, 326133), (837, 314054), (846, 310713), (1209, 217422), (1222, 215109), (1269, 207142), (1457, 180414), (1542, 170469), (1674, 157027), (1833, 143406), (2313, 113646), (2418, 108711), (2538, 103571), (2914, 90207), (3341, 78678), (3627, 72474), (3666, 71703), (4371, 60138), (4626, 56823), (5499, 47802), (6682, 39339), (6939, 37882), (7254, 36237), (7967, 32994), (8742, 30069), (10023, 26226), (10881, 24158), (10998, 23901), (12079, 21762), (13113, 20046), (13878, 18941), (15934, 16497)]