25198505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 8559703

約数列:

[1, 5, 17, 31, 73, 85, 131, 155, 365, 527, 655, 1241, 2227, 2263, 2635, 4061, 6205, 9563, 11135, 11315, 20305, 38471, 47815, 69037, 162571, 192355, 296453, 345185, 812855, 1482265, 5039701, 25198505]

約数ペア:

[(1, 25198505), (5, 5039701), (17, 1482265), (31, 812855), (73, 345185), (85, 296453), (131, 192355), (155, 162571), (365, 69037), (527, 47815), (655, 38471), (1241, 20305), (2227, 11315), (2263, 11135), (2635, 9563), (4061, 6205)]