28049995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1637}}^1$

素因数の和:1814

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 7330805

約数列:

[1, 5, 23, 115, 149, 745, 1637, 3427, 8185, 17135, 37651, 188255, 243913, 1219565, 5609999, 28049995]

約数ペア:

[(1, 28049995), (5, 5609999), (23, 1219565), (115, 243913), (149, 188255), (745, 37651), (1637, 17135), (3427, 8185)]