138701908

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{2557}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 247532544

約数和(自身を除く): 108830636

約数列:

[1, 2, 4, 71, 142, 191, 284, 382, 764, 2557, 5114, 10228, 13561, 27122, 54244, 181547, 363094, 488387, 726188, 976774, 1953548, 34675477, 69350954, 138701908]

約数ペア:

[(1, 138701908), (2, 69350954), (4, 34675477), (71, 1953548), (142, 976774), (191, 726188), (284, 488387), (382, 363094), (764, 181547), (2557, 54244), (5114, 27122), (10228, 13561)]