248213875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21821}}^1$

素因数の和:21856

約数の個数: 32

約数和(自身を含む): 381273984

約数和(自身を除く): 133060109

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 2275, 11375, 21821, 109105, 152747, 283673, 545525, 763735, 1418365, 1985711, 2727625, 3818675, 7091825, 9928555, 19093375, 35459125, 49642775, 248213875]

約数ペア:

[(1, 248213875), (5, 49642775), (7, 35459125), (13, 19093375), (25, 9928555), (35, 7091825), (65, 3818675), (91, 2727625), (125, 1985711), (175, 1418365), (325, 763735), (455, 545525), (875, 283673), (1625, 152747), (2275, 109105), (11375, 21821)]