72195431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19949}}^1$

素因数の和:20014

約数の個数: 16

約数和(自身を含む): 91929600

約数和(自身を除く): 19734169

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 19949, 139643, 219439, 937603, 1536073, 6563221, 10313633, 72195431]

約数ペア:

[(1, 72195431), (7, 10313633), (11, 6563221), (47, 1536073), (77, 937603), (329, 219439), (517, 139643), (3619, 19949)]