28219492

素因数分解:

$2^2\times 7^2\times {\mathrm{143977}}^1$

素因数の和:143995

約数の個数: 18

約数和(自身を含む): 57447222

約数和(自身を除く): 29227730

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 143977, 287954, 575908, 1007839, 2015678, 4031356, 7054873, 14109746, 28219492]

約数ペア:

[(1, 28219492), (2, 14109746), (4, 7054873), (7, 4031356), (14, 2015678), (28, 1007839), (49, 575908), (98, 287954), (196, 143977)]