639456

素因数分解:

$2^5\times 3^1\times {\mathrm{6661}}^1$

素因数の和:6674

約数の個数: 24

約数和(自身を含む): 1678824

約数和(自身を除く): 1039368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 6661, 13322, 19983, 26644, 39966, 53288, 79932, 106576, 159864, 213152, 319728, 639456]

約数ペア:

[(1, 639456), (2, 319728), (3, 213152), (4, 159864), (6, 106576), (8, 79932), (12, 53288), (16, 39966), (24, 26644), (32, 19983), (48, 13322), (96, 6661)]