1276221485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{9721}}^1$

素因数の和:9786

約数の個数: 48

約数和(自身を含む): 1986087936

約数和(自身を除く): 709866451

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1705, 2387, 3751, 4235, 9721, 11935, 18755, 26257, 48605, 68047, 106931, 131285, 301351, 340235, 534655, 748517, 1176241, 1506755, 2109457, 3314861, 3742585, 5881205, 8233687, 10547285, 16574305, 23204027, 36463471, 41168435, 116020135, 182317355, 255244297, 1276221485]

約数ペア:

[(1, 1276221485), (5, 255244297), (7, 182317355), (11, 116020135), (31, 41168435), (35, 36463471), (55, 23204027), (77, 16574305), (121, 10547285), (155, 8233687), (217, 5881205), (341, 3742585), (385, 3314861), (605, 2109457), (847, 1506755), (1085, 1176241), (1705, 748517), (2387, 534655), (3751, 340235), (4235, 301351), (9721, 131285), (11935, 106931), (18755, 68047), (26257, 48605)]