1990457959

素因数分解:

$7^2\times {\mathrm{9013}}^1\times {\mathrm{4507}}^1$

素因数の和:13534

約数の個数: 12

約数和(自身を含む): 2316201384

約数和(自身を除く): 325743425

約数列:

[1, 7, 49, 4507, 9013, 31549, 63091, 220843, 441637, 40621591, 284351137, 1990457959]

約数ペア:

[(1, 1990457959), (7, 284351137), (49, 40621591), (4507, 441637), (9013, 220843), (31549, 63091)]