641036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 1297296

約数和(自身を除く): 656260

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 857, 1714, 3428, 9427, 14569, 18854, 29138, 37708, 58276, 160259, 320518, 641036]

約数ペア:

[(1, 641036), (2, 320518), (4, 160259), (11, 58276), (17, 37708), (22, 29138), (34, 18854), (44, 14569), (68, 9427), (187, 3428), (374, 1714), (748, 857)]