421520398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{72701}}^1$

素因数の和:72939

約数の個数: 16

約数和(自身を含む): 683980416

約数和(自身を除く): 262460018

約数列:

[1, 2, 13, 26, 223, 446, 2899, 5798, 72701, 145402, 945113, 1890226, 16212323, 32424646, 210760199, 421520398]

約数ペア:

[(1, 421520398), (2, 210760199), (13, 32424646), (26, 16212323), (223, 1890226), (446, 945113), (2899, 145402), (5798, 72701)]