40490639

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 47324160

約数和(自身を除く): 6833521

約数列:

[1, 7, 89, 103, 623, 631, 721, 4417, 9167, 56159, 64169, 64993, 393113, 454951, 5784377, 40490639]

約数ペア:

[(1, 40490639), (7, 5784377), (89, 454951), (103, 393113), (623, 64993), (631, 64169), (721, 56159), (4417, 9167)]