8213735

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 10221120

約数和(自身を除く): 2007385

約数列:

[1, 5, 41, 103, 205, 389, 515, 1945, 4223, 15949, 21115, 40067, 79745, 200335, 1642747, 8213735]

約数ペア:

[(1, 8213735), (5, 1642747), (41, 200335), (103, 79745), (205, 40067), (389, 21115), (515, 15949), (1945, 4223)]