490882018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{220919}}^1$

素因数の和:221033

約数の個数: 16

約数和(自身を含む): 811218240

約数和(自身を除く): 320336222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 220919, 441838, 2430109, 4860218, 22312819, 44625638, 245441009, 490882018]

約数ペア:

[(1, 490882018), (2, 245441009), (11, 44625638), (22, 22312819), (101, 4860218), (202, 2430109), (1111, 441838), (2222, 220919)]