81680312

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 182400000

約数和(自身を除く): 100719688

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 79, 148, 158, 259, 296, 316, 499, 518, 553, 632, 998, 1036, 1106, 1996, 2072, 2212, 2923, 3493, 3992, 4424, 5846, 6986, 11692, 13972, 18463, 20461, 23384, 27944, 36926, 39421, 40922, 73852, 78842, 81844, 129241, 147704, 157684, 163688, 258482, 275947, 315368, 516964, 551894, 1033928, 1103788, 1458577, 2207576, 2917154, 5834308, 10210039, 11668616, 20420078, 40840156, 81680312]

約数ペア:

[(1, 81680312), (2, 40840156), (4, 20420078), (7, 11668616), (8, 10210039), (14, 5834308), (28, 2917154), (37, 2207576), (56, 1458577), (74, 1103788), (79, 1033928), (148, 551894), (158, 516964), (259, 315368), (296, 275947), (316, 258482), (499, 163688), (518, 157684), (553, 147704), (632, 129241), (998, 81844), (1036, 78842), (1106, 73852), (1996, 40922), (2072, 39421), (2212, 36926), (2923, 27944), (3493, 23384), (3992, 20461), (4424, 18463), (5846, 13972), (6986, 11692)]