289399487

素因数分解:

${\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{5471}}^1$

素因数の和:5810

約数の個数: 12

約数和(自身を含む): 314432064

約数和(自身を除く): 25032577

約数列:

[1, 13, 169, 313, 4069, 5471, 52897, 71123, 924599, 1712423, 22261499, 289399487]

約数ペア:

[(1, 289399487), (13, 22261499), (169, 1712423), (313, 924599), (4069, 71123), (5471, 52897)]