778871860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2995661}}^1$

素因数の和:2995683

約数の個数: 24

約数和(自身を含む): 1761449256

約数和(自身を除く): 982577396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2995661, 5991322, 11982644, 14978305, 29956610, 38943593, 59913220, 77887186, 155774372, 194717965, 389435930, 778871860]

約数ペア:

[(1, 778871860), (2, 389435930), (4, 194717965), (5, 155774372), (10, 77887186), (13, 59913220), (20, 38943593), (26, 29956610), (52, 14978305), (65, 11982644), (130, 5991322), (260, 2995661)]