12811345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 16215552

約数和(自身を除く): 3404207

約数列:

[1, 5, 23, 101, 115, 505, 1103, 2323, 5515, 11615, 25369, 111403, 126845, 557015, 2562269, 12811345]

約数ペア:

[(1, 12811345), (5, 2562269), (23, 557015), (101, 126845), (115, 111403), (505, 25369), (1103, 11615), (2323, 5515)]