257202164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109169}}^1$

素因数の和:109223

約数の個数: 24

約数和(自身を含む): 489081600

約数和(自身を除く): 231879436

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 109169, 218338, 436676, 2074211, 3384239, 4148422, 6768478, 8296844, 13536956, 64300541, 128601082, 257202164]

約数ペア:

[(1, 257202164), (2, 128601082), (4, 64300541), (19, 13536956), (31, 8296844), (38, 6768478), (62, 4148422), (76, 3384239), (124, 2074211), (589, 436676), (1178, 218338), (2356, 109169)]