647589668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2719}}^1\times {\mathrm{5413}}^1$

素因数の和:8147

約数の個数: 24

約数和(自身を含む): 1236990720

約数和(自身を除く): 589401052

約数列:

[1, 2, 4, 11, 22, 44, 2719, 5413, 5438, 10826, 10876, 21652, 29909, 59543, 59818, 119086, 119636, 238172, 14717947, 29435894, 58871788, 161897417, 323794834, 647589668]

約数ペア:

[(1, 647589668), (2, 323794834), (4, 161897417), (11, 58871788), (22, 29435894), (44, 14717947), (2719, 238172), (5413, 119636), (5438, 119086), (10826, 59818), (10876, 59543), (21652, 29909)]