638155134

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{204931}}^1$

素因数の和:205112

約数の個数: 24

約数和(自身を含む): 1390668552

約数和(自身を除く): 752513418

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 204931, 409862, 614793, 1229586, 1844379, 3688758, 35453063, 70906126, 106359189, 212718378, 319077567, 638155134]

約数ペア:

[(1, 638155134), (2, 319077567), (3, 212718378), (6, 106359189), (9, 70906126), (18, 35453063), (173, 3688758), (346, 1844379), (519, 1229586), (1038, 614793), (1557, 409862), (3114, 204931)]