721844292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{355939}}^1$

素因数の和:355972

約数の個数: 36

約数和(自身を含む): 1823836560

約数和(自身を除く): 1101992268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 355939, 711878, 1067817, 1423756, 2135634, 4271268, 4627207, 9254414, 13881621, 18508828, 27763242, 55526484, 60153691, 120307382, 180461073, 240614764, 360922146, 721844292]

約数ペア:

[(1, 721844292), (2, 360922146), (3, 240614764), (4, 180461073), (6, 120307382), (12, 60153691), (13, 55526484), (26, 27763242), (39, 18508828), (52, 13881621), (78, 9254414), (156, 4627207), (169, 4271268), (338, 2135634), (507, 1423756), (676, 1067817), (1014, 711878), (2028, 355939)]