2778035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 3642240

約数和(自身を除く): 864205

約数列:

[1, 5, 13, 65, 79, 395, 541, 1027, 2705, 5135, 7033, 35165, 42739, 213695, 555607, 2778035]

約数ペア:

[(1, 2778035), (5, 555607), (13, 213695), (65, 42739), (79, 35165), (395, 7033), (541, 5135), (1027, 2705)]