81076268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 184599072

約数和(自身を除く): 103522804

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 361, 364, 494, 532, 617, 722, 988, 1234, 1444, 1729, 2468, 2527, 3458, 4319, 4693, 5054, 6916, 8021, 8638, 9386, 10108, 11723, 16042, 17276, 18772, 23446, 32084, 32851, 46892, 56147, 65702, 82061, 112294, 131404, 152399, 164122, 222737, 224588, 304798, 328244, 445474, 609596, 890948, 1066793, 1559159, 2133586, 2895581, 3118318, 4267172, 5791162, 6236636, 11582324, 20269067, 40538134, 81076268]

約数ペア:

[(1, 81076268), (2, 40538134), (4, 20269067), (7, 11582324), (13, 6236636), (14, 5791162), (19, 4267172), (26, 3118318), (28, 2895581), (38, 2133586), (52, 1559159), (76, 1066793), (91, 890948), (133, 609596), (182, 445474), (247, 328244), (266, 304798), (361, 224588), (364, 222737), (494, 164122), (532, 152399), (617, 131404), (722, 112294), (988, 82061), (1234, 65702), (1444, 56147), (1729, 46892), (2468, 32851), (2527, 32084), (3458, 23446), (4319, 18772), (4693, 17276), (5054, 16042), (6916, 11723), (8021, 10108), (8638, 9386)]