208570986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{891329}}^1$

素因数の和:891350

約数の個数: 24

約数和(自身を含む): 486666180

約数和(自身を除く): 278095194

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 891329, 1782658, 2673987, 5347974, 8021961, 11587277, 16043922, 23174554, 34761831, 69523662, 104285493, 208570986]

約数ペア:

[(1, 208570986), (2, 104285493), (3, 69523662), (6, 34761831), (9, 23174554), (13, 16043922), (18, 11587277), (26, 8021961), (39, 5347974), (78, 2673987), (117, 1782658), (234, 891329)]