68964155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 95256000

約数和(自身を除く): 26291845

約数列:

[1, 5, 13, 17, 65, 85, 139, 221, 449, 695, 1105, 1807, 2245, 2363, 5837, 7633, 9035, 11815, 29185, 30719, 38165, 62411, 99229, 153595, 312055, 496145, 811343, 1060987, 4056715, 5304935, 13792831, 68964155]

約数ペア:

[(1, 68964155), (5, 13792831), (13, 5304935), (17, 4056715), (65, 1060987), (85, 811343), (139, 496145), (221, 312055), (449, 153595), (695, 99229), (1105, 62411), (1807, 38165), (2245, 30719), (2363, 29185), (5837, 11815), (7633, 9035)]