28575720745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1\times {\mathrm{4651}}^1$

素因数の和:5354

約数の個数: 48

約数和(自身を含む): 40577125824

約数和(自身を除く): 12001405079

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 661, 715, 845, 1859, 3305, 4651, 7271, 8593, 9295, 23255, 36355, 42965, 51161, 60463, 94523, 111709, 255805, 302315, 472615, 558545, 665093, 786019, 1228799, 3074311, 3325465, 3930095, 6143995, 8646209, 15371555, 33817421, 39966043, 43231045, 169087105, 199830215, 439626473, 519558559, 2198132365, 2597792795, 5715144149, 28575720745]

約数ペア:

[(1, 28575720745), (5, 5715144149), (11, 2597792795), (13, 2198132365), (55, 519558559), (65, 439626473), (143, 199830215), (169, 169087105), (661, 43231045), (715, 39966043), (845, 33817421), (1859, 15371555), (3305, 8646209), (4651, 6143995), (7271, 3930095), (8593, 3325465), (9295, 3074311), (23255, 1228799), (36355, 786019), (42965, 665093), (51161, 558545), (60463, 472615), (94523, 302315), (111709, 255805)]