639408972

素因数分解:

$2^2\times 3^1\times {\mathrm{337}}^1\times {\mathrm{158113}}^1$

素因数の和:158457

約数の個数: 24

約数和(自身を含む): 1496390896

約数和(自身を除く): 856981924

約数列:

[1, 2, 3, 4, 6, 12, 337, 674, 1011, 1348, 2022, 4044, 158113, 316226, 474339, 632452, 948678, 1897356, 53284081, 106568162, 159852243, 213136324, 319704486, 639408972]

約数ペア:

[(1, 639408972), (2, 319704486), (3, 213136324), (4, 159852243), (6, 106568162), (12, 53284081), (337, 1897356), (674, 948678), (1011, 632452), (1348, 474339), (2022, 316226), (4044, 158113)]