209071775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{760261}}^1$

素因数の和:760282

約数の個数: 12

約数和(自身を含む): 282817464

約数和(自身を除く): 73745689

約数列:

[1, 5, 11, 25, 55, 275, 760261, 3801305, 8362871, 19006525, 41814355, 209071775]

約数ペア:

[(1, 209071775), (5, 41814355), (11, 19006525), (25, 8362871), (55, 3801305), (275, 760261)]