251930305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{1231}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 335567232

約数和(自身を除く): 83636927

約数列:

[1, 5, 11, 55, 61, 305, 671, 1231, 3355, 3721, 6155, 13541, 18605, 40931, 67705, 75091, 204655, 375455, 826001, 4130005, 4580551, 22902755, 50386061, 251930305]

約数ペア:

[(1, 251930305), (5, 50386061), (11, 22902755), (55, 4580551), (61, 4130005), (305, 826001), (671, 375455), (1231, 204655), (3355, 75091), (3721, 67705), (6155, 40931), (13541, 18605)]