222720542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113749}}^1$

素因数の和:113851

約数の個数: 16

約数和(自身を含む): 368550000

約数和(自身を除く): 145829458

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 113749, 227498, 1251239, 2502478, 10123661, 20247322, 111360271, 222720542]

約数ペア:

[(1, 222720542), (2, 111360271), (11, 20247322), (22, 10123661), (89, 2502478), (178, 1251239), (979, 227498), (1958, 113749)]