78728616

素因数分解:

$2^3\times 3^2\times {\mathrm{547}}^1\times {\mathrm{1999}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 213720000

約数和(自身を除く): 134991384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 547, 1094, 1641, 1999, 2188, 3282, 3998, 4376, 4923, 5997, 6564, 7996, 9846, 11994, 13128, 15992, 17991, 19692, 23988, 35982, 39384, 47976, 71964, 143928, 1093453, 2186906, 3280359, 4373812, 6560718, 8747624, 9841077, 13121436, 19682154, 26242872, 39364308, 78728616]

約数ペア:

[(1, 78728616), (2, 39364308), (3, 26242872), (4, 19682154), (6, 13121436), (8, 9841077), (9, 8747624), (12, 6560718), (18, 4373812), (24, 3280359), (36, 2186906), (72, 1093453), (547, 143928), (1094, 71964), (1641, 47976), (1999, 39384), (2188, 35982), (3282, 23988), (3998, 19692), (4376, 17991), (4923, 15992), (5997, 13128), (6564, 11994), (7996, 9846)]