684772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 1330560

約数和(自身を除く): 645788

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 197, 316, 394, 788, 869, 1738, 2167, 3476, 4334, 8668, 15563, 31126, 62252, 171193, 342386, 684772]

約数ペア:

[(1, 684772), (2, 342386), (4, 171193), (11, 62252), (22, 31126), (44, 15563), (79, 8668), (158, 4334), (197, 3476), (316, 2167), (394, 1738), (788, 869)]