2105821564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{521}}^1\times {\mathrm{1193}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 4642100064

約数和(自身を除く): 2536278500

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 521, 847, 1042, 1193, 1694, 2084, 2386, 3388, 3647, 4772, 5731, 7294, 8351, 11462, 13123, 14588, 16702, 22924, 26246, 33404, 40117, 52492, 63041, 80234, 91861, 126082, 144353, 160468, 183722, 252164, 288706, 367444, 441287, 577412, 621553, 882574, 1010471, 1243106, 1765148, 2020942, 2486212, 4041884, 4350871, 6837083, 8701742, 13674166, 17403484, 27348332, 47859581, 75207913, 95719162, 150415826, 191438324, 300831652, 526455391, 1052910782, 2105821564]

約数ペア:

[(1, 2105821564), (2, 1052910782), (4, 526455391), (7, 300831652), (11, 191438324), (14, 150415826), (22, 95719162), (28, 75207913), (44, 47859581), (77, 27348332), (121, 17403484), (154, 13674166), (242, 8701742), (308, 6837083), (484, 4350871), (521, 4041884), (847, 2486212), (1042, 2020942), (1193, 1765148), (1694, 1243106), (2084, 1010471), (2386, 882574), (3388, 621553), (3647, 577412), (4772, 441287), (5731, 367444), (7294, 288706), (8351, 252164), (11462, 183722), (13123, 160468), (14588, 144353), (16702, 126082), (22924, 91861), (26246, 80234), (33404, 63041), (40117, 52492)]