28679413

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3361}}^1$

素因数の和:3444

約数の個数: 16

約数和(自身を含む): 34857216

約数和(自身を除く): 6177803

約数列:

[1, 7, 23, 53, 161, 371, 1219, 3361, 8533, 23527, 77303, 178133, 541121, 1246931, 4097059, 28679413]

約数ペア:

[(1, 28679413), (7, 4097059), (23, 1246931), (53, 541121), (161, 178133), (371, 77303), (1219, 23527), (3361, 8533)]