420396

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 1000944

約数和(自身を除く): 580548

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 661, 1322, 1983, 2644, 3966, 7932, 35033, 70066, 105099, 140132, 210198, 420396]

約数ペア:

[(1, 420396), (2, 210198), (3, 140132), (4, 105099), (6, 70066), (12, 35033), (53, 7932), (106, 3966), (159, 2644), (212, 1983), (318, 1322), (636, 661)]