221284888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{15427}}^1$

素因数の和:15607

約数の個数: 32

約数和(自身を含む): 455434560

約数和(自身を除く): 234149672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1793, 3586, 7172, 14344, 15427, 30854, 61708, 123416, 169697, 339394, 678788, 1357576, 2514601, 5029202, 10058404, 20116808, 27660611, 55321222, 110642444, 221284888]

約数ペア:

[(1, 221284888), (2, 110642444), (4, 55321222), (8, 27660611), (11, 20116808), (22, 10058404), (44, 5029202), (88, 2514601), (163, 1357576), (326, 678788), (652, 339394), (1304, 169697), (1793, 123416), (3586, 61708), (7172, 30854), (14344, 15427)]