7980457961

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{19739}}^1$

素因数の和:20013

約数の個数: 24

約数和(自身を含む): 9577532160

約数和(自身を除く): 1597074199

約数列:

[1, 7, 37, 49, 223, 259, 1561, 1813, 8251, 10927, 19739, 57757, 138173, 404299, 730343, 967211, 4401797, 5112401, 30812579, 35786807, 162866489, 215688053, 1140065423, 7980457961]

約数ペア:

[(1, 7980457961), (7, 1140065423), (37, 215688053), (49, 162866489), (223, 35786807), (259, 30812579), (1561, 5112401), (1813, 4401797), (8251, 967211), (10927, 730343), (19739, 404299), (57757, 138173)]