398889428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{838003}}^1$

素因数の和:838031

約数の個数: 24

約数和(自身を含む): 844708032

約数和(自身を除く): 445818604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 838003, 1676006, 3352012, 5866021, 11732042, 14246051, 23464084, 28492102, 56984204, 99722357, 199444714, 398889428]

約数ペア:

[(1, 398889428), (2, 199444714), (4, 99722357), (7, 56984204), (14, 28492102), (17, 23464084), (28, 14246051), (34, 11732042), (68, 5866021), (119, 3352012), (238, 1676006), (476, 838003)]