81601716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{2647}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 218279936

約数和(自身を除く): 136678220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 734, 1101, 1468, 2202, 2569, 2647, 4404, 5138, 5294, 7707, 7941, 10276, 10588, 15414, 15882, 18529, 30828, 31764, 37058, 55587, 74116, 111174, 222348, 971449, 1942898, 2914347, 3885796, 5828694, 6800143, 11657388, 13600286, 20400429, 27200572, 40800858, 81601716]

約数ペア:

[(1, 81601716), (2, 40800858), (3, 27200572), (4, 20400429), (6, 13600286), (7, 11657388), (12, 6800143), (14, 5828694), (21, 3885796), (28, 2914347), (42, 1942898), (84, 971449), (367, 222348), (734, 111174), (1101, 74116), (1468, 55587), (2202, 37058), (2569, 31764), (2647, 30828), (4404, 18529), (5138, 15882), (5294, 15414), (7707, 10588), (7941, 10276)]