639731706

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{159853}}^1$

素因数の和:159910

約数の個数: 32

約数和(自身を含む): 1381138560

約数和(自身を除く): 741406854

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 667, 1334, 2001, 4002, 159853, 319706, 479559, 959118, 3676619, 4635737, 7353238, 9271474, 11029857, 13907211, 22059714, 27814422, 106621951, 213243902, 319865853, 639731706]

約数ペア:

[(1, 639731706), (2, 319865853), (3, 213243902), (6, 106621951), (23, 27814422), (29, 22059714), (46, 13907211), (58, 11029857), (69, 9271474), (87, 7353238), (138, 4635737), (174, 3676619), (667, 959118), (1334, 479559), (2001, 319706), (4002, 159853)]