40721149

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 47468160

約数和(自身を除く): 6747011

約数列:

[1, 7, 89, 163, 401, 623, 1141, 2807, 14507, 35689, 65363, 101549, 249823, 457541, 5817307, 40721149]

約数ペア:

[(1, 40721149), (7, 5817307), (89, 457541), (163, 249823), (401, 101549), (623, 65363), (1141, 35689), (2807, 14507)]