639896922

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13763}}^1$

素因数の和:13825

約数の個数: 80

約数和(自身を含む): 1678767552

約数和(自身を除く): 1038870630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 81, 82, 123, 126, 162, 189, 246, 287, 369, 378, 567, 574, 738, 861, 1107, 1134, 1722, 2214, 2583, 3321, 5166, 6642, 7749, 13763, 15498, 23247, 27526, 41289, 46494, 82578, 96341, 123867, 192682, 247734, 289023, 371601, 564283, 578046, 743202, 867069, 1114803, 1128566, 1692849, 1734138, 2229606, 2601207, 3385698, 3949981, 5078547, 5202414, 7803621, 7899962, 10157094, 11849943, 15235641, 15607242, 23699886, 30471282, 35549829, 45706923, 71099658, 91413846, 106649487, 213298974, 319948461, 639896922]

約数ペア:

[(1, 639896922), (2, 319948461), (3, 213298974), (6, 106649487), (7, 91413846), (9, 71099658), (14, 45706923), (18, 35549829), (21, 30471282), (27, 23699886), (41, 15607242), (42, 15235641), (54, 11849943), (63, 10157094), (81, 7899962), (82, 7803621), (123, 5202414), (126, 5078547), (162, 3949981), (189, 3385698), (246, 2601207), (287, 2229606), (369, 1734138), (378, 1692849), (567, 1128566), (574, 1114803), (738, 867069), (861, 743202), (1107, 578046), (1134, 564283), (1722, 371601), (2214, 289023), (2583, 247734), (3321, 192682), (5166, 123867), (6642, 96341), (7749, 82578), (13763, 46494), (15498, 41289), (23247, 27526)]