257029492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{82487}}^1$

素因数の和:82551

約数の個数: 24

約数和(自身を含む): 485029440

約数和(自身を除く): 227999948

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 82487, 164974, 329948, 1567253, 3134506, 3381967, 6269012, 6763934, 13527868, 64257373, 128514746, 257029492]

約数ペア:

[(1, 257029492), (2, 128514746), (4, 64257373), (19, 13527868), (38, 6763934), (41, 6269012), (76, 3381967), (82, 3134506), (164, 1567253), (779, 329948), (1558, 164974), (3116, 82487)]