645123974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{7517}}^1$

素因数の和:7660

約数の個数: 32

約数和(自身を含む): 1091252736

約数和(自身を除く): 446128762

約数列:

[1, 2, 11, 22, 47, 83, 94, 166, 517, 913, 1034, 1826, 3901, 7517, 7802, 15034, 42911, 82687, 85822, 165374, 353299, 623911, 706598, 1247822, 3886289, 6863021, 7772578, 13726042, 29323817, 58647634, 322561987, 645123974]

約数ペア:

[(1, 645123974), (2, 322561987), (11, 58647634), (22, 29323817), (47, 13726042), (83, 7772578), (94, 6863021), (166, 3886289), (517, 1247822), (913, 706598), (1034, 623911), (1826, 353299), (3901, 165374), (7517, 85822), (7802, 82687), (15034, 42911)]