205128791

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{1031}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 240480768

約数和(自身を除く): 35351977

約数列:

[1, 7, 43, 301, 661, 1031, 4627, 7217, 28423, 44333, 198961, 310331, 681491, 4770437, 29304113, 205128791]

約数ペア:

[(1, 205128791), (7, 29304113), (43, 4770437), (301, 681491), (661, 310331), (1031, 198961), (4627, 44333), (7217, 28423)]