2156605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 2856384

約数和(自身を除く): 699779

約数列:

[1, 5, 11, 55, 113, 347, 565, 1243, 1735, 3817, 6215, 19085, 39211, 196055, 431321, 2156605]

約数ペア:

[(1, 2156605), (5, 431321), (11, 196055), (55, 39211), (113, 19085), (347, 6215), (565, 3817), (1243, 1735)]