28679354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12907}}^1$

素因数の和:13021

約数の個数: 16

約数和(自身を含む): 47398176

約数和(自身を除く): 18718822

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12907, 25814, 141977, 283954, 1303607, 2607214, 14339677, 28679354]

約数ペア:

[(1, 28679354), (2, 14339677), (11, 2607214), (22, 1303607), (101, 283954), (202, 141977), (1111, 25814), (2222, 12907)]