198444290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25409}}^1$

素因数の和:25498

約数の個数: 32

約数和(自身を含む): 395176320

約数和(自身を除く): 196732030

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 25409, 50818, 127045, 254090, 279499, 558998, 1397495, 1804039, 2794990, 3608078, 9020195, 18040390, 19844429, 39688858, 99222145, 198444290]

約数ペア:

[(1, 198444290), (2, 99222145), (5, 39688858), (10, 19844429), (11, 18040390), (22, 9020195), (55, 3608078), (71, 2794990), (110, 1804039), (142, 1397495), (355, 558998), (710, 279499), (781, 254090), (1562, 127045), (3905, 50818), (7810, 25409)]