16998215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15383}}^1$

素因数の和:15418

約数の個数: 16

約数和(自身を含む): 23260608

約数和(自身を除く): 6262393

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 15383, 76915, 199979, 261511, 999895, 1307555, 3399643, 16998215]

約数ペア:

[(1, 16998215), (5, 3399643), (13, 1307555), (17, 999895), (65, 261511), (85, 199979), (221, 76915), (1105, 15383)]