199813525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{112571}}^1$

素因数の和:112652

約数の個数: 12

約数和(自身を含む): 251260704

約数和(自身を除く): 51447179

約数列:

[1, 5, 25, 71, 355, 1775, 112571, 562855, 2814275, 7992541, 39962705, 199813525]

約数ペア:

[(1, 199813525), (5, 39962705), (25, 7992541), (71, 2814275), (355, 562855), (1775, 112571)]