220682423

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 254785440

約数和(自身を除く): 34103017

約数列:

[1, 13, 17, 151, 221, 289, 389, 1963, 2567, 3757, 5057, 6613, 33371, 43639, 58739, 85969, 112421, 567307, 763607, 998563, 1461473, 12981319, 16975571, 220682423]

約数ペア:

[(1, 220682423), (13, 16975571), (17, 12981319), (151, 1461473), (221, 998563), (289, 763607), (389, 567307), (1963, 112421), (2567, 85969), (3757, 58739), (5057, 43639), (6613, 33371)]