156799804

素因数分解:

$2^2\times 7^2\times {\mathrm{799999}}^1$

素因数の和:800017

約数の個数: 18

約数和(自身を含む): 319200000

約数和(自身を除く): 162400196

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 799999, 1599998, 3199996, 5599993, 11199986, 22399972, 39199951, 78399902, 156799804]

約数ペア:

[(1, 156799804), (2, 78399902), (4, 39199951), (7, 22399972), (14, 11199986), (28, 5599993), (49, 3199996), (98, 1599998), (196, 799999)]