25157858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 43996608

約数和(自身を除く): 18838750

約数列:

[1, 2, 11, 17, 22, 34, 137, 187, 274, 374, 491, 982, 1507, 2329, 3014, 4658, 5401, 8347, 10802, 16694, 25619, 51238, 67267, 91817, 134534, 183634, 739937, 1143539, 1479874, 2287078, 12578929, 25157858]

約数ペア:

[(1, 25157858), (2, 12578929), (11, 2287078), (17, 1479874), (22, 1143539), (34, 739937), (137, 183634), (187, 134534), (274, 91817), (374, 67267), (491, 51238), (982, 25619), (1507, 16694), (2329, 10802), (3014, 8347), (4658, 5401)]