28267274

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{19991}}^1$

素因数の和:20101

約数の個数: 16

約数和(自身を含む): 48940416

約数和(自身を除く): 20673142

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 19991, 39982, 139937, 279874, 2019091, 4038182, 14133637, 28267274]

約数ペア:

[(1, 28267274), (2, 14133637), (7, 4038182), (14, 2019091), (101, 279874), (202, 139937), (707, 39982), (1414, 19991)]