81308668

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{19231}}^1$

素因数の和:19393

約数の個数: 24

約数和(自身を含む): 163702784

約数和(自身を除く): 82394116

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 19231, 38462, 76924, 134617, 269234, 538468, 2903881, 5807762, 11615524, 20327167, 40654334, 81308668]

約数ペア:

[(1, 81308668), (2, 40654334), (4, 20327167), (7, 11615524), (14, 5807762), (28, 2903881), (151, 538468), (302, 269234), (604, 134617), (1057, 76924), (2114, 38462), (4228, 19231)]