253144976

素因数分解:

$2^4\times 7^3\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 577344000

約数和(自身を除く): 324199024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 193, 196, 239, 343, 386, 392, 478, 686, 772, 784, 956, 1351, 1372, 1544, 1673, 1912, 2702, 2744, 3088, 3346, 3824, 5404, 5488, 6692, 9457, 10808, 11711, 13384, 18914, 21616, 23422, 26768, 37828, 46127, 46844, 66199, 75656, 81977, 92254, 93688, 132398, 151312, 163954, 184508, 187376, 264796, 322889, 327908, 369016, 529592, 645778, 655816, 738032, 1059184, 1291556, 1311632, 2260223, 2583112, 4520446, 5166224, 9040892, 15821561, 18081784, 31643122, 36163568, 63286244, 126572488, 253144976]

約数ペア:

[(1, 253144976), (2, 126572488), (4, 63286244), (7, 36163568), (8, 31643122), (14, 18081784), (16, 15821561), (28, 9040892), (49, 5166224), (56, 4520446), (98, 2583112), (112, 2260223), (193, 1311632), (196, 1291556), (239, 1059184), (343, 738032), (386, 655816), (392, 645778), (478, 529592), (686, 369016), (772, 327908), (784, 322889), (956, 264796), (1351, 187376), (1372, 184508), (1544, 163954), (1673, 151312), (1912, 132398), (2702, 93688), (2744, 92254), (3088, 81977), (3346, 75656), (3824, 66199), (5404, 46844), (5488, 46127), (6692, 37828), (9457, 26768), (10808, 23422), (11711, 21616), (13384, 18914)]