249968976

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:960

約数の個数: 80

約数和(自身を含む): 665719296

約数和(自身を除く): 415750320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 163, 172, 258, 326, 344, 489, 516, 652, 688, 743, 978, 1032, 1304, 1486, 1956, 2064, 2229, 2608, 2972, 3912, 4458, 5944, 7009, 7824, 8916, 11888, 14018, 17832, 21027, 28036, 31949, 35664, 42054, 56072, 63898, 84108, 95847, 112144, 121109, 127796, 168216, 191694, 242218, 255592, 336432, 363327, 383388, 484436, 511184, 726654, 766776, 968872, 1453308, 1533552, 1937744, 2906616, 5207687, 5813232, 10415374, 15623061, 20830748, 31246122, 41661496, 62492244, 83322992, 124984488, 249968976]

約数ペア:

[(1, 249968976), (2, 124984488), (3, 83322992), (4, 62492244), (6, 41661496), (8, 31246122), (12, 20830748), (16, 15623061), (24, 10415374), (43, 5813232), (48, 5207687), (86, 2906616), (129, 1937744), (163, 1533552), (172, 1453308), (258, 968872), (326, 766776), (344, 726654), (489, 511184), (516, 484436), (652, 383388), (688, 363327), (743, 336432), (978, 255592), (1032, 242218), (1304, 191694), (1486, 168216), (1956, 127796), (2064, 121109), (2229, 112144), (2608, 95847), (2972, 84108), (3912, 63898), (4458, 56072), (5944, 42054), (7009, 35664), (7824, 31949), (8916, 28036), (11888, 21027), (14018, 17832)]