51780076

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{163861}}^1$

素因数の和:163944

約数の個数: 12

約数和(自身を含む): 91762720

約数和(自身を除く): 39982644

約数列:

[1, 2, 4, 79, 158, 316, 163861, 327722, 655444, 12945019, 25890038, 51780076]

約数ペア:

[(1, 51780076), (2, 25890038), (4, 12945019), (79, 655444), (158, 327722), (316, 163861)]