28193672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 57153600

約数和(自身を除く): 28959928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 647, 838, 1294, 1676, 2588, 3352, 5176, 5447, 8411, 10894, 16822, 21788, 33644, 43576, 67288, 271093, 542186, 1084372, 2168744, 3524209, 7048418, 14096836, 28193672]

約数ペア:

[(1, 28193672), (2, 14096836), (4, 7048418), (8, 3524209), (13, 2168744), (26, 1084372), (52, 542186), (104, 271093), (419, 67288), (647, 43576), (838, 33644), (1294, 21788), (1676, 16822), (2588, 10894), (3352, 8411), (5176, 5447)]