218365928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{6379}}^1$

素因数の和:6785

約数の個数: 32

約数和(自身を含む): 447876000

約数和(自身を除く): 229510072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 778, 1556, 3112, 4279, 6379, 8558, 12758, 17116, 25516, 34232, 51032, 70169, 140338, 280676, 561352, 2481431, 4962862, 9925724, 19851448, 27295741, 54591482, 109182964, 218365928]

約数ペア:

[(1, 218365928), (2, 109182964), (4, 54591482), (8, 27295741), (11, 19851448), (22, 9925724), (44, 4962862), (88, 2481431), (389, 561352), (778, 280676), (1556, 140338), (3112, 70169), (4279, 51032), (6379, 34232), (8558, 25516), (12758, 17116)]