217307646

素因数分解:

$2^1\times 3^2\times {\mathrm{419}}^1\times {\mathrm{28813}}^1$

素因数の和:29240

約数の個数: 24

約数和(自身を含む): 471973320

約数和(自身を除く): 254665674

約数列:

[1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 3771, 7542, 28813, 57626, 86439, 172878, 259317, 518634, 12072647, 24145294, 36217941, 72435882, 108653823, 217307646]

約数ペア:

[(1, 217307646), (2, 108653823), (3, 72435882), (6, 36217941), (9, 24145294), (18, 12072647), (419, 518634), (838, 259317), (1257, 172878), (2514, 86439), (3771, 57626), (7542, 28813)]