398437902

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{3041}}^1$

素因数の和:3329

約数の個数: 48

約数和(自身を含む): 896903280

約数和(自身を除く): 498465378

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 251, 261, 502, 522, 753, 1506, 2259, 3041, 4518, 6082, 7279, 9123, 14558, 18246, 21837, 27369, 43674, 54738, 65511, 88189, 131022, 176378, 264567, 529134, 763291, 793701, 1526582, 1587402, 2289873, 4579746, 6869619, 13739238, 22135439, 44270878, 66406317, 132812634, 199218951, 398437902]

約数ペア:

[(1, 398437902), (2, 199218951), (3, 132812634), (6, 66406317), (9, 44270878), (18, 22135439), (29, 13739238), (58, 6869619), (87, 4579746), (174, 2289873), (251, 1587402), (261, 1526582), (502, 793701), (522, 763291), (753, 529134), (1506, 264567), (2259, 176378), (3041, 131022), (4518, 88189), (6082, 65511), (7279, 54738), (9123, 43674), (14558, 27369), (18246, 21837)]