16828609

素因数分解:

$7^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 20

約数和(自身を含む): 20212016

約数和(自身を除く): 3383407

約数列:

[1, 7, 43, 49, 163, 301, 343, 1141, 2107, 2401, 7009, 7987, 14749, 49063, 55909, 103243, 343441, 391363, 2404087, 16828609]

約数ペア:

[(1, 16828609), (7, 2404087), (43, 391363), (49, 343441), (163, 103243), (301, 55909), (343, 49063), (1141, 14749), (2107, 7987), (2401, 7009)]