22131785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 8108215

約数列:

[1, 5, 13, 29, 59, 65, 145, 199, 295, 377, 767, 995, 1711, 1885, 2587, 3835, 5771, 8555, 11741, 12935, 22243, 28855, 58705, 75023, 111215, 152633, 340489, 375115, 763165, 1702445, 4426357, 22131785]

約数ペア:

[(1, 22131785), (5, 4426357), (13, 1702445), (29, 763165), (59, 375115), (65, 340489), (145, 152633), (199, 111215), (295, 75023), (377, 58705), (767, 28855), (995, 22243), (1711, 12935), (1885, 11741), (2587, 8555), (3835, 5771)]