47770778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{21499}}^1$

素因数の和:21613

約数の個数: 16

約数和(自身を含む): 78948000

約数和(自身を除く): 31177222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 21499, 42998, 236489, 472978, 2171399, 4342798, 23885389, 47770778]

約数ペア:

[(1, 47770778), (2, 23885389), (11, 4342798), (22, 2171399), (101, 472978), (202, 236489), (1111, 42998), (2222, 21499)]