12715235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 17926272

約数和(自身を除く): 5211037

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 311, 481, 629, 1105, 1555, 2405, 3145, 4043, 5287, 8177, 11507, 20215, 26435, 40885, 57535, 68731, 149591, 195619, 343655, 747955, 978095, 2543047, 12715235]

約数ペア:

[(1, 12715235), (5, 2543047), (13, 978095), (17, 747955), (37, 343655), (65, 195619), (85, 149591), (185, 68731), (221, 57535), (311, 40885), (481, 26435), (629, 20215), (1105, 11507), (1555, 8177), (2405, 5287), (3145, 4043)]