215687412

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{43103}}^1$

素因数の和:43252

約数の個数: 36

約数和(自身を含む): 549144960

約数和(自身を除く): 333457548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 43103, 86206, 129309, 172412, 258618, 387927, 517236, 775854, 1551708, 5991317, 11982634, 17973951, 23965268, 35947902, 53921853, 71895804, 107843706, 215687412]

約数ペア:

[(1, 215687412), (2, 107843706), (3, 71895804), (4, 53921853), (6, 35947902), (9, 23965268), (12, 17973951), (18, 11982634), (36, 5991317), (139, 1551708), (278, 775854), (417, 517236), (556, 387927), (834, 258618), (1251, 172412), (1668, 129309), (2502, 86206), (5004, 43103)]