642572014

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{406177}}^1$

素因数の和:406299

約数の個数: 16

約数和(自身を含む): 1111303008

約数和(自身を除く): 468730994

約数列:

[1, 2, 7, 14, 113, 226, 791, 1582, 406177, 812354, 2843239, 5686478, 45898001, 91796002, 321286007, 642572014]

約数ペア:

[(1, 642572014), (2, 321286007), (7, 91796002), (14, 45898001), (113, 5686478), (226, 2843239), (791, 812354), (1582, 406177)]