28564008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 78390720

約数和(自身を除く): 49826712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 257, 264, 421, 514, 771, 842, 1028, 1263, 1542, 1684, 2056, 2526, 2827, 3084, 3368, 4631, 5052, 5654, 6168, 8481, 9262, 10104, 11308, 13893, 16962, 18524, 22616, 27786, 33924, 37048, 55572, 67848, 108197, 111144, 216394, 324591, 432788, 649182, 865576, 1190167, 1298364, 2380334, 2596728, 3570501, 4760668, 7141002, 9521336, 14282004, 28564008]

約数ペア:

[(1, 28564008), (2, 14282004), (3, 9521336), (4, 7141002), (6, 4760668), (8, 3570501), (11, 2596728), (12, 2380334), (22, 1298364), (24, 1190167), (33, 865576), (44, 649182), (66, 432788), (88, 324591), (132, 216394), (257, 111144), (264, 108197), (421, 67848), (514, 55572), (771, 37048), (842, 33924), (1028, 27786), (1263, 22616), (1542, 18524), (1684, 16962), (2056, 13893), (2526, 11308), (2827, 10104), (3084, 9262), (3368, 8481), (4631, 6168), (5052, 5654)]