218854570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{8539}}^1$

素因数の和:8790

約数の個数: 32

約数和(自身を含む): 431645760

約数和(自身を除く): 212791190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 1165, 2330, 2563, 5126, 8539, 12815, 17078, 25630, 42695, 85390, 93929, 187858, 469645, 939290, 1989587, 3979174, 9947935, 19895870, 21885457, 43770914, 109427285, 218854570]

約数ペア:

[(1, 218854570), (2, 109427285), (5, 43770914), (10, 21885457), (11, 19895870), (22, 9947935), (55, 3979174), (110, 1989587), (233, 939290), (466, 469645), (1165, 187858), (2330, 93929), (2563, 85390), (5126, 42695), (8539, 25630), (12815, 17078)]