12261275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 16915584

約数和(自身を除く): 4654309

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1217, 2015, 6085, 10075, 15821, 30425, 37727, 79105, 188635, 395525, 490451, 943175, 2452255, 12261275]

約数ペア:

[(1, 12261275), (5, 2452255), (13, 943175), (25, 490451), (31, 395525), (65, 188635), (155, 79105), (325, 37727), (403, 30425), (775, 15821), (1217, 10075), (2015, 6085)]