394988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 774144

約数和(自身を除く): 379156

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 191, 382, 517, 764, 1034, 2068, 2101, 4202, 8404, 8977, 17954, 35908, 98747, 197494, 394988]

約数ペア:

[(1, 394988), (2, 197494), (4, 98747), (11, 35908), (22, 17954), (44, 8977), (47, 8404), (94, 4202), (188, 2101), (191, 2068), (382, 1034), (517, 764)]