28403110

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{8581}}^1$

素因数の和:8919

約数の個数: 16

約数和(自身を含む): 51286032

約数和(自身を除く): 22882922

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 8581, 17162, 42905, 85810, 2840311, 5680622, 14201555, 28403110]

約数ペア:

[(1, 28403110), (2, 14201555), (5, 5680622), (10, 2840311), (331, 85810), (662, 42905), (1655, 17162), (3310, 8581)]