245871925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4373}}^1$

素因数の和:4569

約数の個数: 24

約数和(自身を含む): 330306984

約数和(自身を除く): 84435059

約数列:

[1, 5, 13, 25, 65, 173, 325, 865, 2249, 4325, 4373, 11245, 21865, 56225, 56849, 109325, 284245, 756529, 1421225, 3782645, 9834877, 18913225, 49174385, 245871925]

約数ペア:

[(1, 245871925), (5, 49174385), (13, 18913225), (25, 9834877), (65, 3782645), (173, 1421225), (325, 756529), (865, 284245), (2249, 109325), (4325, 56849), (4373, 56225), (11245, 21865)]