78840578

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{2179}}^1$

素因数の和:2489

約数の個数: 16

約数和(自身を含む): 120336000

約数和(自身を除く): 41495422

約数列:

[1, 2, 79, 158, 229, 458, 2179, 4358, 18091, 36182, 172141, 344282, 498991, 997982, 39420289, 78840578]

約数ペア:

[(1, 78840578), (2, 39420289), (79, 997982), (158, 498991), (229, 344282), (458, 172141), (2179, 36182), (4358, 18091)]