65142215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 85536000

約数和(自身を除く): 20393785

約数列:

[1, 5, 17, 79, 85, 89, 109, 395, 445, 545, 1343, 1513, 1853, 6715, 7031, 7565, 8611, 9265, 9701, 35155, 43055, 48505, 119527, 146387, 164917, 597635, 731935, 766379, 824585, 3831895, 13028443, 65142215]

約数ペア:

[(1, 65142215), (5, 13028443), (17, 3831895), (79, 824585), (85, 766379), (89, 731935), (109, 597635), (395, 164917), (445, 146387), (545, 119527), (1343, 48505), (1513, 43055), (1853, 35155), (6715, 9701), (7031, 9265), (7565, 8611)]