81069456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129919}}^1$

素因数の和:129943

約数の個数: 40

約数和(自身を含む): 225541120

約数和(自身を除く): 144471664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 129919, 259838, 389757, 519676, 779514, 1039352, 1559028, 1688947, 2078704, 3118056, 3377894, 5066841, 6236112, 6755788, 10133682, 13511576, 20267364, 27023152, 40534728, 81069456]

約数ペア:

[(1, 81069456), (2, 40534728), (3, 27023152), (4, 20267364), (6, 13511576), (8, 10133682), (12, 6755788), (13, 6236112), (16, 5066841), (24, 3377894), (26, 3118056), (39, 2078704), (48, 1688947), (52, 1559028), (78, 1039352), (104, 779514), (156, 519676), (208, 389757), (312, 259838), (624, 129919)]