2388981985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{6143}}^1$

素因数の和:6385

約数の個数: 32

約数和(自身を含む): 3203923968

約数和(自身を除く): 814941983

約数列:

[1, 5, 13, 31, 65, 155, 193, 403, 965, 2015, 2509, 5983, 6143, 12545, 29915, 30715, 77779, 79859, 190433, 388895, 399295, 952165, 1185599, 2475629, 5927995, 12378145, 15412787, 36753569, 77063935, 183767845, 477796397, 2388981985]

約数ペア:

[(1, 2388981985), (5, 477796397), (13, 183767845), (31, 77063935), (65, 36753569), (155, 15412787), (193, 12378145), (403, 5927995), (965, 2475629), (2015, 1185599), (2509, 952165), (5983, 399295), (6143, 388895), (12545, 190433), (29915, 79859), (30715, 77779)]