138540871

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 172523520

約数和(自身を除く): 33982649

約数列:

[1, 7, 17, 89, 103, 119, 127, 623, 721, 889, 1513, 1751, 2159, 9167, 10591, 11303, 12257, 13081, 15113, 64169, 79121, 91567, 155839, 192151, 222377, 1090873, 1164209, 1345057, 1556639, 8149463, 19791553, 138540871]

約数ペア:

[(1, 138540871), (7, 19791553), (17, 8149463), (89, 1556639), (103, 1345057), (119, 1164209), (127, 1090873), (623, 222377), (721, 192151), (889, 155839), (1513, 91567), (1751, 79121), (2159, 64169), (9167, 15113), (10591, 13081), (11303, 12257)]