678187926

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2898239}}^1$

素因数の和:2898260

約数の個数: 24

約数和(自身を含む): 1582439040

約数和(自身を除く): 904251114

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2898239, 5796478, 8694717, 17389434, 26084151, 37677107, 52168302, 75354214, 113031321, 226062642, 339093963, 678187926]

約数ペア:

[(1, 678187926), (2, 339093963), (3, 226062642), (6, 113031321), (9, 75354214), (13, 52168302), (18, 37677107), (26, 26084151), (39, 17389434), (78, 8694717), (117, 5796478), (234, 2898239)]