248779768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 532224000

約数和(自身を除く): 283444232

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 323, 344, 646, 731, 817, 1292, 1462, 1634, 2239, 2584, 2924, 3268, 4478, 5848, 6536, 8956, 13889, 17912, 27778, 38063, 42541, 55556, 76126, 85082, 96277, 111112, 152252, 170164, 192554, 304504, 340328, 385108, 723197, 770216, 1446394, 1636709, 1829263, 2892788, 3273418, 3658526, 5785576, 6546836, 7317052, 13093672, 14634104, 31097471, 62194942, 124389884, 248779768]

約数ペア:

[(1, 248779768), (2, 124389884), (4, 62194942), (8, 31097471), (17, 14634104), (19, 13093672), (34, 7317052), (38, 6546836), (43, 5785576), (68, 3658526), (76, 3273418), (86, 2892788), (136, 1829263), (152, 1636709), (172, 1446394), (323, 770216), (344, 723197), (646, 385108), (731, 340328), (817, 304504), (1292, 192554), (1462, 170164), (1634, 152252), (2239, 111112), (2584, 96277), (2924, 85082), (3268, 76126), (4478, 55556), (5848, 42541), (6536, 38063), (8956, 27778), (13889, 17912)]