28709724

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{55639}}^1$

素因数の和:55689

約数の個数: 24

約数和(自身を含む): 68548480

約数和(自身を除く): 39838756

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 55639, 111278, 166917, 222556, 333834, 667668, 2392477, 4784954, 7177431, 9569908, 14354862, 28709724]

約数ペア:

[(1, 28709724), (2, 14354862), (3, 9569908), (4, 7177431), (6, 4784954), (12, 2392477), (43, 667668), (86, 333834), (129, 222556), (172, 166917), (258, 111278), (516, 55639)]