81390012

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{953}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 207712512

約数和(自身を除く): 126322500

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 647, 953, 1294, 1906, 1941, 2588, 2859, 3812, 3882, 5718, 7117, 7764, 10483, 11436, 14234, 20966, 21351, 28468, 31449, 41932, 42702, 62898, 85404, 125796, 616591, 1233182, 1849773, 2466364, 3699546, 6782501, 7399092, 13565002, 20347503, 27130004, 40695006, 81390012]

約数ペア:

[(1, 81390012), (2, 40695006), (3, 27130004), (4, 20347503), (6, 13565002), (11, 7399092), (12, 6782501), (22, 3699546), (33, 2466364), (44, 1849773), (66, 1233182), (132, 616591), (647, 125796), (953, 85404), (1294, 62898), (1906, 42702), (1941, 41932), (2588, 31449), (2859, 28468), (3812, 21351), (3882, 20966), (5718, 14234), (7117, 11436), (7764, 10483)]