15981982

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2239}}^1$

素因数の和:2367

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 8855138

約数列:

[1, 2, 43, 83, 86, 166, 2239, 3569, 4478, 7138, 96277, 185837, 192554, 371674, 7990991, 15981982]

約数ペア:

[(1, 15981982), (2, 7990991), (43, 371674), (83, 192554), (86, 185837), (166, 96277), (2239, 7138), (3569, 4478)]