199321925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{724807}}^1$

素因数の和:724828

約数の個数: 12

約数和(自身を含む): 269628576

約数和(自身を除く): 70306651

約数列:

[1, 5, 11, 25, 55, 275, 724807, 3624035, 7972877, 18120175, 39864385, 199321925]

約数ペア:

[(1, 199321925), (5, 39864385), (11, 18120175), (25, 7972877), (55, 3624035), (275, 724807)]