2678555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 3621888

約数和(自身を除く): 943333

約数列:

[1, 5, 11, 31, 55, 155, 341, 1571, 1705, 7855, 17281, 48701, 86405, 243505, 535711, 2678555]

約数ペア:

[(1, 2678555), (5, 535711), (11, 243505), (31, 86405), (55, 48701), (155, 17281), (341, 7855), (1571, 1705)]