87894455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{51551}}^1$

素因数の和:51598

約数の個数: 16

約数和(自身を含む): 118775808

約数和(自身を除く): 30881353

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 51551, 257755, 567061, 1598081, 2835305, 7990405, 17578891, 87894455]

約数ペア:

[(1, 87894455), (5, 17578891), (11, 7990405), (31, 2835305), (55, 1598081), (155, 567061), (341, 257755), (1705, 51551)]