31231696

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{12433}}^1$

素因数の和:12598

約数の個数: 20

約数和(自身を含む): 60901732

約数和(自身を除く): 29670036

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 12433, 24866, 49732, 99464, 198928, 1951981, 3903962, 7807924, 15615848, 31231696]

約数ペア:

[(1, 31231696), (2, 15615848), (4, 7807924), (8, 3903962), (16, 1951981), (157, 198928), (314, 99464), (628, 49732), (1256, 24866), (2512, 12433)]