2640888

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 7327320

約数和(自身を除く): 4686432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 853, 1032, 1548, 1706, 2559, 3096, 3412, 5118, 6824, 7677, 10236, 15354, 20472, 30708, 36679, 61416, 73358, 110037, 146716, 220074, 293432, 330111, 440148, 660222, 880296, 1320444, 2640888]

約数ペア:

[(1, 2640888), (2, 1320444), (3, 880296), (4, 660222), (6, 440148), (8, 330111), (9, 293432), (12, 220074), (18, 146716), (24, 110037), (36, 73358), (43, 61416), (72, 36679), (86, 30708), (129, 20472), (172, 15354), (258, 10236), (344, 7677), (387, 6824), (516, 5118), (774, 3412), (853, 3096), (1032, 2559), (1548, 1706)]