489502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 16

約数和(自身を含む): 805392

約数和(自身を除く): 315890

約数列:

[1, 2, 13, 26, 67, 134, 281, 562, 871, 1742, 3653, 7306, 18827, 37654, 244751, 489502]

約数ペア:

[(1, 489502), (2, 244751), (13, 37654), (26, 18827), (67, 7306), (134, 3653), (281, 1742), (562, 871)]