72738721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 80870400

約数和(自身を除く): 8131679

約数列:

[1, 11, 89, 191, 389, 979, 2101, 4279, 16999, 34621, 74299, 186989, 380831, 817289, 6612611, 72738721]

約数ペア:

[(1, 72738721), (11, 6612611), (89, 817289), (191, 380831), (389, 186989), (979, 74299), (2101, 34621), (4279, 16999)]