644036078

素因数分解:

$2^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{46141}}^1$

素因数の和:47147

約数の個数: 16

約数和(自身を含む): 1105193184

約数和(自身を除く): 461157106

約数列:

[1, 2, 7, 14, 997, 1994, 6979, 13958, 46141, 92282, 322987, 645974, 46002577, 92005154, 322018039, 644036078]

約数ペア:

[(1, 644036078), (2, 322018039), (7, 92005154), (14, 46002577), (997, 645974), (1994, 322987), (6979, 92282), (13958, 46141)]