280168502405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1616621}}^1$

素因数の和:1616797

約数の個数: 32

約数和(自身を含む): 385506148608

約数和(自身を除く): 105337646203

約数列:

[1, 5, 11, 23, 55, 115, 137, 253, 685, 1265, 1507, 3151, 7535, 15755, 34661, 173305, 1616621, 8083105, 17782831, 37182283, 88914155, 185911415, 221477077, 409005113, 1107385385, 2045025565, 2436247847, 5093972771, 12181239235, 25469863855, 56033700481, 280168502405]

約数ペア:

[(1, 280168502405), (5, 56033700481), (11, 25469863855), (23, 12181239235), (55, 5093972771), (115, 2436247847), (137, 2045025565), (253, 1107385385), (685, 409005113), (1265, 221477077), (1507, 185911415), (3151, 88914155), (7535, 37182283), (15755, 17782831), (34661, 8083105), (173305, 1616621)]