16986978

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 39907296

約数和(自身を除く): 22920318

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1291, 1462, 2193, 2582, 3873, 4386, 6579, 7746, 11619, 13158, 21947, 23238, 43894, 55513, 65841, 111026, 131682, 166539, 197523, 333078, 395046, 499617, 943721, 999234, 1887442, 2831163, 5662326, 8493489, 16986978]

約数ペア:

[(1, 16986978), (2, 8493489), (3, 5662326), (6, 2831163), (9, 1887442), (17, 999234), (18, 943721), (34, 499617), (43, 395046), (51, 333078), (86, 197523), (102, 166539), (129, 131682), (153, 111026), (258, 65841), (306, 55513), (387, 43894), (731, 23238), (774, 21947), (1291, 13158), (1462, 11619), (2193, 7746), (2582, 6579), (3873, 4386)]