256656888

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{209687}}^1$

素因数の和:209716

約数の個数: 48

約数和(自身を含む): 736004880

約数和(自身を除く): 479347992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 209687, 419374, 629061, 838748, 1258122, 1677496, 1887183, 2516244, 3564679, 3774366, 5032488, 7129358, 7548732, 10694037, 14258716, 15097464, 21388074, 28517432, 32082111, 42776148, 64164222, 85552296, 128328444, 256656888]

約数ペア:

[(1, 256656888), (2, 128328444), (3, 85552296), (4, 64164222), (6, 42776148), (8, 32082111), (9, 28517432), (12, 21388074), (17, 15097464), (18, 14258716), (24, 10694037), (34, 7548732), (36, 7129358), (51, 5032488), (68, 3774366), (72, 3564679), (102, 2516244), (136, 1887183), (153, 1677496), (204, 1258122), (306, 838748), (408, 629061), (612, 419374), (1224, 209687)]