636478238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{146857}}^1$

素因数の和:147067

約数の個数: 16

約数和(自身を含む): 1046803824

約数和(自身を除く): 410325586

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 146857, 293714, 1615427, 3230854, 28930829, 57861658, 318239119, 636478238]

約数ペア:

[(1, 636478238), (2, 318239119), (11, 57861658), (22, 28930829), (197, 3230854), (394, 1615427), (2167, 293714), (4334, 146857)]