81596564

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21948

約数の個数: 36

約数和(自身を含む): 174857760

約数和(自身を除く): 93261196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 21911, 43822, 87644, 153377, 306754, 416309, 613508, 832618, 1073639, 1665236, 2147278, 2914163, 4294556, 5828326, 11656652, 20399141, 40798282, 81596564]

約数ペア:

[(1, 81596564), (2, 40798282), (4, 20399141), (7, 11656652), (14, 5828326), (19, 4294556), (28, 2914163), (38, 2147278), (49, 1665236), (76, 1073639), (98, 832618), (133, 613508), (196, 416309), (266, 306754), (532, 153377), (931, 87644), (1862, 43822), (3724, 21911)]