28181635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 7058045

約数列:

[1, 5, 31, 113, 155, 565, 1609, 3503, 8045, 17515, 49879, 181817, 249395, 909085, 5636327, 28181635]

約数ペア:

[(1, 28181635), (5, 5636327), (31, 909085), (113, 249395), (155, 181817), (565, 49879), (1609, 17515), (3503, 8045)]