388452805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 533433600

約数和(自身を除く): 144980795

約数列:

[1, 5, 13, 17, 65, 85, 221, 419, 839, 1105, 2095, 4195, 5447, 7123, 10907, 14263, 27235, 35615, 54535, 71315, 92599, 185419, 351541, 462995, 927095, 1757705, 4570033, 5976197, 22850165, 29880985, 77690561, 388452805]

約数ペア:

[(1, 388452805), (5, 77690561), (13, 29880985), (17, 22850165), (65, 5976197), (85, 4570033), (221, 1757705), (419, 927095), (839, 462995), (1105, 351541), (2095, 185419), (4195, 92599), (5447, 71315), (7123, 54535), (10907, 35615), (14263, 27235)]