318204575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1613}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 425889408

約数和(自身を除く): 107684833

約数列:

[1, 5, 13, 25, 65, 325, 607, 1613, 3035, 7891, 8065, 15175, 20969, 39455, 40325, 104845, 197275, 524225, 979091, 4895455, 12728183, 24477275, 63640915, 318204575]

約数ペア:

[(1, 318204575), (5, 63640915), (13, 24477275), (25, 12728183), (65, 4895455), (325, 979091), (607, 524225), (1613, 197275), (3035, 104845), (7891, 40325), (8065, 39455), (15175, 20969)]