1639793428

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2447}}^1$

素因数の和:2741

約数の個数: 72

約数和(自身を含む): 3610075392

約数和(自身を除く): 1970281964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 263, 364, 526, 637, 1052, 1274, 1841, 2447, 2548, 3419, 3682, 4894, 6838, 7364, 9788, 12887, 13676, 17129, 23933, 25774, 31811, 34258, 47866, 51548, 63622, 68516, 95732, 119903, 127244, 167531, 222677, 239806, 335062, 445354, 479612, 643561, 670124, 890708, 1287122, 1558739, 2574244, 3117478, 4504927, 6234956, 8366293, 9009854, 16732586, 18019708, 31534489, 33465172, 58564051, 63068978, 117128102, 126137956, 234256204, 409948357, 819896714, 1639793428]

約数ペア:

[(1, 1639793428), (2, 819896714), (4, 409948357), (7, 234256204), (13, 126137956), (14, 117128102), (26, 63068978), (28, 58564051), (49, 33465172), (52, 31534489), (91, 18019708), (98, 16732586), (182, 9009854), (196, 8366293), (263, 6234956), (364, 4504927), (526, 3117478), (637, 2574244), (1052, 1558739), (1274, 1287122), (1841, 890708), (2447, 670124), (2548, 643561), (3419, 479612), (3682, 445354), (4894, 335062), (6838, 239806), (7364, 222677), (9788, 167531), (12887, 127244), (13676, 119903), (17129, 95732), (23933, 68516), (25774, 63622), (31811, 51548), (34258, 47866)]