1380456895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{28513}}^1$

素因数の和:28962

約数の個数: 16

約数和(自身を含む): 1732738752

約数和(自身を除く): 352281857

約数列:

[1, 5, 23, 115, 421, 2105, 9683, 28513, 48415, 142565, 655799, 3278995, 12003973, 60019865, 276091379, 1380456895]

約数ペア:

[(1, 1380456895), (5, 276091379), (23, 60019865), (115, 12003973), (421, 3278995), (2105, 655799), (9683, 142565), (28513, 48415)]