68662228

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 123342912

約数和(自身を除く): 54680684

約数列:

[1, 2, 4, 43, 86, 172, 617, 647, 1234, 1294, 2468, 2588, 26531, 27821, 53062, 55642, 106124, 111284, 399199, 798398, 1596796, 17165557, 34331114, 68662228]

約数ペア:

[(1, 68662228), (2, 34331114), (4, 17165557), (43, 1596796), (86, 798398), (172, 399199), (617, 111284), (647, 106124), (1234, 55642), (1294, 53062), (2468, 27821), (2588, 26531)]