9881378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{977}}^1$

素因数の和:1381

約数の個数: 16

約数和(自身を含む): 16019640

約数和(自身を除く): 6138262

約数列:

[1, 2, 13, 26, 389, 778, 977, 1954, 5057, 10114, 12701, 25402, 380053, 760106, 4940689, 9881378]

約数ペア:

[(1, 9881378), (2, 4940689), (13, 760106), (26, 380053), (389, 25402), (778, 12701), (977, 10114), (1954, 5057)]