251743856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4673}}^1$

素因数の和:4738

約数の個数: 80

約数和(自身を含む): 616668864

約数和(自身を除く): 364925008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 364, 481, 518, 592, 728, 962, 1036, 1456, 1924, 2072, 3367, 3848, 4144, 4673, 6734, 7696, 9346, 13468, 18692, 26936, 32711, 37384, 53872, 60749, 65422, 74768, 121498, 130844, 172901, 242996, 261688, 345802, 425243, 485992, 523376, 691604, 850486, 971984, 1210307, 1383208, 1700972, 2247713, 2420614, 2766416, 3401944, 4495426, 4841228, 6803888, 8990852, 9682456, 15733991, 17981704, 19364912, 31467982, 35963408, 62935964, 125871928, 251743856]

約数ペア:

[(1, 251743856), (2, 125871928), (4, 62935964), (7, 35963408), (8, 31467982), (13, 19364912), (14, 17981704), (16, 15733991), (26, 9682456), (28, 8990852), (37, 6803888), (52, 4841228), (56, 4495426), (74, 3401944), (91, 2766416), (104, 2420614), (112, 2247713), (148, 1700972), (182, 1383208), (208, 1210307), (259, 971984), (296, 850486), (364, 691604), (481, 523376), (518, 485992), (592, 425243), (728, 345802), (962, 261688), (1036, 242996), (1456, 172901), (1924, 130844), (2072, 121498), (3367, 74768), (3848, 65422), (4144, 60749), (4673, 53872), (6734, 37384), (7696, 32711), (9346, 26936), (13468, 18692)]