28220455

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 35141184

約数和(自身を除く): 6920729

約数列:

[1, 5, 37, 103, 185, 515, 1481, 3811, 7405, 19055, 54797, 152543, 273985, 762715, 5644091, 28220455]

約数ペア:

[(1, 28220455), (5, 5644091), (37, 762715), (103, 273985), (185, 152543), (515, 54797), (1481, 19055), (3811, 7405)]