90135205

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 109631808

約数和(自身を除く): 19496603

約数列:

[1, 5, 131, 241, 571, 655, 1205, 2855, 31571, 74801, 137611, 157855, 374005, 688055, 18027041, 90135205]

約数ペア:

[(1, 90135205), (5, 18027041), (131, 688055), (241, 374005), (571, 157855), (655, 137611), (1205, 74801), (2855, 31571)]