81568634

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 152176320

約数和(自身を除く): 70607686

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 142, 266, 497, 617, 931, 994, 1234, 1349, 1862, 2698, 3479, 4319, 6958, 8638, 9443, 11723, 18886, 23446, 30233, 43807, 60466, 66101, 82061, 87614, 132202, 164122, 306649, 574427, 613298, 832333, 1148854, 1664666, 2146543, 4293086, 5826331, 11652662, 40784317, 81568634]

約数ペア:

[(1, 81568634), (2, 40784317), (7, 11652662), (14, 5826331), (19, 4293086), (38, 2146543), (49, 1664666), (71, 1148854), (98, 832333), (133, 613298), (142, 574427), (266, 306649), (497, 164122), (617, 132202), (931, 87614), (994, 82061), (1234, 66101), (1349, 60466), (1862, 43807), (2698, 30233), (3479, 23446), (4319, 18886), (6958, 11723), (8638, 9443)]