211516456

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{138427}}^1$

素因数の和:138624

約数の個数: 16

約数和(自身を含む): 398672640

約数和(自身を除く): 187156184

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 138427, 276854, 553708, 1107416, 26439557, 52879114, 105758228, 211516456]

約数ペア:

[(1, 211516456), (2, 105758228), (4, 52879114), (8, 26439557), (191, 1107416), (382, 553708), (764, 276854), (1528, 138427)]