28561930

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21803}}^1$

素因数の和:21941

約数の個数: 16

約数和(自身を含む): 51806304

約数和(自身を除く): 23244374

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21803, 43606, 109015, 218030, 2856193, 5712386, 14280965, 28561930]

約数ペア:

[(1, 28561930), (2, 14280965), (5, 5712386), (10, 2856193), (131, 218030), (262, 109015), (655, 43606), (1310, 21803)]