16681588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 37312128

約数和(自身を除く): 20630540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1321, 1804, 2642, 3157, 5284, 6314, 9247, 12628, 14531, 18494, 29062, 36988, 54161, 58124, 101717, 108322, 203434, 216644, 379127, 406868, 595771, 758254, 1191542, 1516508, 2383084, 4170397, 8340794, 16681588]

約数ペア:

[(1, 16681588), (2, 8340794), (4, 4170397), (7, 2383084), (11, 1516508), (14, 1191542), (22, 758254), (28, 595771), (41, 406868), (44, 379127), (77, 216644), (82, 203434), (154, 108322), (164, 101717), (287, 58124), (308, 54161), (451, 36988), (574, 29062), (902, 18494), (1148, 14531), (1321, 12628), (1804, 9247), (2642, 6314), (3157, 5284)]