207972710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{12689}}^1$

素因数の和:12856

約数の個数: 32

約数和(自身を含む): 411156000

約数和(自身を除く): 203183290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 3278, 8195, 12689, 16390, 25378, 63445, 126890, 139579, 279158, 697895, 1395790, 1890661, 3781322, 9453305, 18906610, 20797271, 41594542, 103986355, 207972710]

約数ペア:

[(1, 207972710), (2, 103986355), (5, 41594542), (10, 20797271), (11, 18906610), (22, 9453305), (55, 3781322), (110, 1890661), (149, 1395790), (298, 697895), (745, 279158), (1490, 139579), (1639, 126890), (3278, 63445), (8195, 25378), (12689, 16390)]