258079991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1597}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 287793408

約数和(自身を除く): 29713417

約数列:

[1, 13, 31, 401, 403, 1597, 5213, 12431, 20761, 49507, 161603, 640397, 643591, 8325161, 19852307, 258079991]

約数ペア:

[(1, 258079991), (13, 19852307), (31, 8325161), (401, 643591), (403, 640397), (1597, 161603), (5213, 49507), (12431, 20761)]