81385492

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{1019}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 146341440

約数和(自身を除く): 64955948

約数列:

[1, 2, 4, 41, 82, 164, 487, 974, 1019, 1948, 2038, 4076, 19967, 39934, 41779, 79868, 83558, 167116, 496253, 992506, 1985012, 20346373, 40692746, 81385492]

約数ペア:

[(1, 81385492), (2, 40692746), (4, 20346373), (41, 1985012), (82, 992506), (164, 496253), (487, 167116), (974, 83558), (1019, 79868), (1948, 41779), (2038, 39934), (4076, 19967)]