157831448

素因数分解:

$2^3\times {\mathrm{4931}}^1\times {\mathrm{4001}}^1$

素因数の和:8938

約数の個数: 16

約数和(自身を含む): 296067960

約数和(自身を除く): 138236512

約数列:

[1, 2, 4, 8, 4001, 4931, 8002, 9862, 16004, 19724, 32008, 39448, 19728931, 39457862, 78915724, 157831448]

約数ペア:

[(1, 157831448), (2, 78915724), (4, 39457862), (8, 19728931), (4001, 39448), (4931, 32008), (8002, 19724), (9862, 16004)]