205656828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1318313}}^1$

素因数の和:1318333

約数の個数: 24

約数和(自身を含む): 516779088

約数和(自身を除く): 311122260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1318313, 2636626, 3954939, 5273252, 7909878, 15819756, 17138069, 34276138, 51414207, 68552276, 102828414, 205656828]

約数ペア:

[(1, 205656828), (2, 102828414), (3, 68552276), (4, 51414207), (6, 34276138), (12, 17138069), (13, 15819756), (26, 7909878), (39, 5273252), (52, 3954939), (78, 2636626), (156, 1318313)]