221459526

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{88513}}^1$

素因数の和:88660

約数の個数: 24

約数和(自身を含む): 483286440

約数和(自身を除く): 261826914

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 88513, 177026, 265539, 531078, 796617, 1593234, 12303307, 24606614, 36909921, 73819842, 110729763, 221459526]

約数ペア:

[(1, 221459526), (2, 110729763), (3, 73819842), (6, 36909921), (9, 24606614), (18, 12303307), (139, 1593234), (278, 796617), (417, 531078), (834, 265539), (1251, 177026), (2502, 88513)]