217754992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 521966592

約数和(自身を除く): 304211600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 347, 364, 431, 694, 728, 862, 1388, 1456, 1724, 2429, 2776, 3017, 3448, 4511, 4858, 5552, 5603, 6034, 6896, 9022, 9716, 11206, 12068, 18044, 19432, 22412, 24136, 31577, 36088, 38864, 39221, 44824, 48272, 63154, 72176, 78442, 89648, 126308, 149557, 156884, 252616, 299114, 313768, 505232, 598228, 627536, 1046899, 1196456, 1944241, 2093798, 2392912, 3888482, 4187596, 7776964, 8375192, 13609687, 15553928, 16750384, 27219374, 31107856, 54438748, 108877496, 217754992]

約数ペア:

[(1, 217754992), (2, 108877496), (4, 54438748), (7, 31107856), (8, 27219374), (13, 16750384), (14, 15553928), (16, 13609687), (26, 8375192), (28, 7776964), (52, 4187596), (56, 3888482), (91, 2392912), (104, 2093798), (112, 1944241), (182, 1196456), (208, 1046899), (347, 627536), (364, 598228), (431, 505232), (694, 313768), (728, 299114), (862, 252616), (1388, 156884), (1456, 149557), (1724, 126308), (2429, 89648), (2776, 78442), (3017, 72176), (3448, 63154), (4511, 48272), (4858, 44824), (5552, 39221), (5603, 38864), (6034, 36088), (6896, 31577), (9022, 24136), (9716, 22412), (11206, 19432), (12068, 18044)]