7681375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 10745280

約数和(自身を除く): 3063905

約数列:

[1, 5, 13, 25, 29, 65, 125, 145, 163, 325, 377, 725, 815, 1625, 1885, 2119, 3625, 4075, 4727, 9425, 10595, 20375, 23635, 47125, 52975, 61451, 118175, 264875, 307255, 590875, 1536275, 7681375]

約数ペア:

[(1, 7681375), (5, 1536275), (13, 590875), (25, 307255), (29, 264875), (65, 118175), (125, 61451), (145, 52975), (163, 47125), (325, 23635), (377, 20375), (725, 10595), (815, 9425), (1625, 4727), (1885, 4075), (2119, 3625)]