308640318

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{149971}}^1$

素因数の和:149997

約数の個数: 32

約数和(自身を含む): 719865600

約数和(自身を除く): 411225282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 149971, 299942, 449913, 899826, 1049797, 2099594, 3149391, 6298782, 7348579, 14697158, 22045737, 44091474, 51440053, 102880106, 154320159, 308640318]

約数ペア:

[(1, 308640318), (2, 154320159), (3, 102880106), (6, 51440053), (7, 44091474), (14, 22045737), (21, 14697158), (42, 7348579), (49, 6298782), (98, 3149391), (147, 2099594), (294, 1049797), (343, 899826), (686, 449913), (1029, 299942), (2058, 149971)]