28778058

素因数分解:

$2^1\times 3^3\times {\mathrm{409}}^1\times {\mathrm{1303}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 64156800

約数和(自身を除く): 35378742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 409, 818, 1227, 1303, 2454, 2606, 3681, 3909, 7362, 7818, 11043, 11727, 22086, 23454, 35181, 70362, 532927, 1065854, 1598781, 3197562, 4796343, 9592686, 14389029, 28778058]

約数ペア:

[(1, 28778058), (2, 14389029), (3, 9592686), (6, 4796343), (9, 3197562), (18, 1598781), (27, 1065854), (54, 532927), (409, 70362), (818, 35181), (1227, 23454), (1303, 22086), (2454, 11727), (2606, 11043), (3681, 7818), (3909, 7362)]