38943385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4021}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 50677200

約数和(自身を除く): 11733815

約数列:

[1, 5, 13, 65, 149, 745, 1937, 4021, 9685, 20105, 52273, 261365, 599129, 2995645, 7788677, 38943385]

約数ペア:

[(1, 38943385), (5, 7788677), (13, 2995645), (65, 599129), (149, 261365), (745, 52273), (1937, 20105), (4021, 9685)]