215852405

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{2267}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 262906560

約数和(自身を除く): 47054155

約数列:

[1, 5, 137, 139, 685, 695, 2267, 11335, 19043, 95215, 310579, 315113, 1552895, 1575565, 43170481, 215852405]

約数ペア:

[(1, 215852405), (5, 43170481), (137, 1575565), (139, 1552895), (685, 315113), (695, 310579), (2267, 95215), (11335, 19043)]