25065205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 34569216

約数和(自身を除く): 9504011

約数列:

[1, 5, 11, 31, 55, 61, 155, 241, 305, 341, 671, 1205, 1705, 1891, 2651, 3355, 7471, 9455, 13255, 14701, 20801, 37355, 73505, 82181, 104005, 161711, 410905, 455731, 808555, 2278655, 5013041, 25065205]

約数ペア:

[(1, 25065205), (5, 5013041), (11, 2278655), (31, 808555), (55, 455731), (61, 410905), (155, 161711), (241, 104005), (305, 82181), (341, 73505), (671, 37355), (1205, 20801), (1705, 14701), (1891, 13255), (2651, 9455), (3355, 7471)]