51981406

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1215

約数の個数: 16

約数和(自身を含む): 79196544

約数和(自身を除く): 27215138

約数列:

[1, 2, 83, 166, 487, 643, 974, 1286, 40421, 53369, 80842, 106738, 313141, 626282, 25990703, 51981406]

約数ペア:

[(1, 51981406), (2, 25990703), (83, 626282), (166, 313141), (487, 106738), (643, 80842), (974, 53369), (1286, 40421)]