28576457

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 36206856

約数和(自身を除く): 7630399

約数列:

[1, 7, 13, 49, 91, 113, 397, 637, 791, 1469, 2779, 5161, 5537, 10283, 19453, 36127, 44861, 71981, 252889, 314027, 583193, 2198189, 4082351, 28576457]

約数ペア:

[(1, 28576457), (7, 4082351), (13, 2198189), (49, 583193), (91, 314027), (113, 252889), (397, 71981), (637, 44861), (791, 36127), (1469, 19453), (2779, 10283), (5161, 5537)]