77427220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{297797}}^1$

素因数の和:297819

約数の個数: 24

約数和(自身を含む): 175105224

約数和(自身を除く): 97678004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 297797, 595594, 1191188, 1488985, 2977970, 3871361, 5955940, 7742722, 15485444, 19356805, 38713610, 77427220]

約数ペア:

[(1, 77427220), (2, 38713610), (4, 19356805), (5, 15485444), (10, 7742722), (13, 5955940), (20, 3871361), (26, 2977970), (52, 1488985), (65, 1191188), (130, 595594), (260, 297797)]