25085368

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 59224320

約数和(自身を除く): 34138952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 193, 211, 308, 386, 422, 616, 772, 844, 1351, 1477, 1544, 1688, 2123, 2321, 2702, 2954, 4246, 4642, 5404, 5908, 8492, 9284, 10808, 11816, 14861, 16247, 16984, 18568, 29722, 32494, 40723, 59444, 64988, 81446, 118888, 129976, 162892, 285061, 325784, 447953, 570122, 895906, 1140244, 1791812, 2280488, 3135671, 3583624, 6271342, 12542684, 25085368]

約数ペア:

[(1, 25085368), (2, 12542684), (4, 6271342), (7, 3583624), (8, 3135671), (11, 2280488), (14, 1791812), (22, 1140244), (28, 895906), (44, 570122), (56, 447953), (77, 325784), (88, 285061), (154, 162892), (193, 129976), (211, 118888), (308, 81446), (386, 64988), (422, 59444), (616, 40723), (772, 32494), (844, 29722), (1351, 18568), (1477, 16984), (1544, 16247), (1688, 14861), (2123, 11816), (2321, 10808), (2702, 9284), (2954, 8492), (4246, 5908), (4642, 5404)]