640097412

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{1301011}}^1$

素因数の和:1301059

約数の個数: 24

約数和(自身を含む): 1529990112

約数和(自身を除く): 889892700

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1301011, 2602022, 3903033, 5204044, 7806066, 15612132, 53341451, 106682902, 160024353, 213365804, 320048706, 640097412]

約数ペア:

[(1, 640097412), (2, 320048706), (3, 213365804), (4, 160024353), (6, 106682902), (12, 53341451), (41, 15612132), (82, 7806066), (123, 5204044), (164, 3903033), (246, 2602022), (492, 1301011)]