81964138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{9419}}^1$

素因数の和:9669

約数の個数: 16

約数和(自身を含む): 129996000

約数和(自身を除く): 48031862

約数列:

[1, 2, 19, 38, 229, 458, 4351, 8702, 9419, 18838, 178961, 357922, 2156951, 4313902, 40982069, 81964138]

約数ペア:

[(1, 81964138), (2, 40982069), (19, 4313902), (38, 2156951), (229, 357922), (458, 178961), (4351, 18838), (8702, 9419)]