646931876

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{33409}}^1$

素因数の和:33563

約数の個数: 24

約数和(自身を含む): 1167479040

約数和(自身を除く): 520547164

約数列:

[1, 2, 4, 47, 94, 103, 188, 206, 412, 4841, 9682, 19364, 33409, 66818, 133636, 1570223, 3140446, 3441127, 6280892, 6882254, 13764508, 161732969, 323465938, 646931876]

約数ペア:

[(1, 646931876), (2, 323465938), (4, 161732969), (47, 13764508), (94, 6882254), (103, 6280892), (188, 3441127), (206, 3140446), (412, 1570223), (4841, 133636), (9682, 66818), (19364, 33409)]