2138668889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1\times {\mathrm{4523}}^1$

素因数の和:6740

約数の個数: 16

約数和(自身を含む): 2524753920

約数和(自身を除く): 386085031

約数列:

[1, 7, 31, 217, 2179, 4523, 15253, 31661, 67549, 140213, 472843, 981491, 9855617, 68989319, 305524127, 2138668889]

約数ペア:

[(1, 2138668889), (7, 305524127), (31, 68989319), (217, 9855617), (2179, 981491), (4523, 472843), (15253, 140213), (31661, 67549)]