639677756

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1259}}^1\times {\mathrm{3433}}^1$

素因数の和:4733

約数の個数: 24

約数和(自身を含む): 1150939440

約数和(自身を除く): 511261684

約数列:

[1, 2, 4, 37, 74, 148, 1259, 2518, 3433, 5036, 6866, 13732, 46583, 93166, 127021, 186332, 254042, 508084, 4322147, 8644294, 17288588, 159919439, 319838878, 639677756]

約数ペア:

[(1, 639677756), (2, 319838878), (4, 159919439), (37, 17288588), (74, 8644294), (148, 4322147), (1259, 508084), (2518, 254042), (3433, 186332), (5036, 127021), (6866, 93166), (13732, 46583)]