218199355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{20771}}^1$

素因数の和:20978

約数の個数: 16

約数和(自身を含む): 287152128

約数和(自身を除く): 68952773

約数列:

[1, 5, 11, 55, 191, 955, 2101, 10505, 20771, 103855, 228481, 1142405, 3967261, 19836305, 43639871, 218199355]

約数ペア:

[(1, 218199355), (5, 43639871), (11, 19836305), (55, 3967261), (191, 1142405), (955, 228481), (2101, 103855), (10505, 20771)]