131380976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{264881}}^1$

素因数の和:264920

約数の個数: 20

約数和(自身を含む): 262762944

約数和(自身を除く): 131381968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 264881, 529762, 1059524, 2119048, 4238096, 8211311, 16422622, 32845244, 65690488, 131380976]

約数ペア:

[(1, 131380976), (2, 65690488), (4, 32845244), (8, 16422622), (16, 8211311), (31, 4238096), (62, 2119048), (124, 1059524), (248, 529762), (496, 264881)]