66700816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 161878528

約数和(自身を除く): 95177712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 751, 793, 854, 976, 1456, 1502, 1586, 1708, 3004, 3172, 3416, 5257, 5551, 6008, 6344, 6832, 9763, 10514, 11102, 12016, 12688, 19526, 21028, 22204, 39052, 42056, 44408, 45811, 68341, 78104, 84112, 88816, 91622, 136682, 156208, 183244, 273364, 320677, 366488, 546728, 595543, 641354, 732976, 1093456, 1191086, 1282708, 2382172, 2565416, 4168801, 4764344, 5130832, 8337602, 9528688, 16675204, 33350408, 66700816]

約数ペア:

[(1, 66700816), (2, 33350408), (4, 16675204), (7, 9528688), (8, 8337602), (13, 5130832), (14, 4764344), (16, 4168801), (26, 2565416), (28, 2382172), (52, 1282708), (56, 1191086), (61, 1093456), (91, 732976), (104, 641354), (112, 595543), (122, 546728), (182, 366488), (208, 320677), (244, 273364), (364, 183244), (427, 156208), (488, 136682), (728, 91622), (751, 88816), (793, 84112), (854, 78104), (976, 68341), (1456, 45811), (1502, 44408), (1586, 42056), (1708, 39052), (3004, 22204), (3172, 21028), (3416, 19526), (5257, 12688), (5551, 12016), (6008, 11102), (6344, 10514), (6832, 9763)]