66742564

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^2$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 135525376

約数和(自身を除く): 68782812

約数列:

[1, 2, 4, 7, 14, 28, 127, 137, 254, 274, 508, 548, 889, 959, 1778, 1918, 3556, 3836, 17399, 18769, 34798, 37538, 69596, 75076, 121793, 131383, 243586, 262766, 487172, 525532, 2383663, 4767326, 9534652, 16685641, 33371282, 66742564]

約数ペア:

[(1, 66742564), (2, 33371282), (4, 16685641), (7, 9534652), (14, 4767326), (28, 2383663), (127, 525532), (137, 487172), (254, 262766), (274, 243586), (508, 131383), (548, 121793), (889, 75076), (959, 69596), (1778, 37538), (1918, 34798), (3556, 18769), (3836, 17399)]