172840655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2767}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 230884416

約数和(自身を除く): 58043761

約数列:

[1, 5, 13, 31, 65, 155, 403, 961, 2015, 2767, 4805, 12493, 13835, 35971, 62465, 85777, 179855, 428885, 1115101, 2659087, 5575505, 13295435, 34568131, 172840655]

約数ペア:

[(1, 172840655), (5, 34568131), (13, 13295435), (31, 5575505), (65, 2659087), (155, 1115101), (403, 428885), (961, 179855), (2015, 85777), (2767, 62465), (4805, 35971), (12493, 13835)]