28873817

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 4994983

約数列:

[1, 7, 53, 223, 349, 371, 1561, 2443, 11819, 18497, 77827, 82733, 129479, 544789, 4124831, 28873817]

約数ペア:

[(1, 28873817), (7, 4124831), (53, 544789), (223, 129479), (349, 82733), (371, 77827), (1561, 18497), (2443, 11819)]