2190407855

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1\times {\mathrm{5881}}^1$

素因数の和:6506

約数の個数: 16

約数和(自身を含む): 2650852704

約数和(自身を除く): 460444849

約数列:

[1, 5, 163, 457, 815, 2285, 5881, 29405, 74491, 372455, 958603, 2687617, 4793015, 13438085, 438081571, 2190407855]

約数ペア:

[(1, 2190407855), (5, 438081571), (163, 13438085), (457, 4793015), (815, 2687617), (2285, 958603), (5881, 372455), (29405, 74491)]