531850175

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 668207232

約数和(自身を除く): 136357057

約数列:

[1, 5, 25, 131, 251, 647, 655, 1255, 3235, 3275, 6275, 16175, 32881, 84757, 162397, 164405, 423785, 811985, 822025, 2118925, 4059925, 21274007, 106370035, 531850175]

約数ペア:

[(1, 531850175), (5, 106370035), (25, 21274007), (131, 4059925), (251, 2118925), (647, 822025), (655, 811985), (1255, 423785), (3235, 164405), (3275, 162397), (6275, 84757), (16175, 32881)]