163048990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{2857}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 316895040

約数和(自身を除く): 153846050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 878, 2195, 2857, 4390, 5707, 5714, 11414, 14285, 28535, 28570, 37141, 57070, 74282, 185705, 371410, 1254223, 2508446, 6271115, 12542230, 16304899, 32609798, 81524495, 163048990]

約数ペア:

[(1, 163048990), (2, 81524495), (5, 32609798), (10, 16304899), (13, 12542230), (26, 6271115), (65, 2508446), (130, 1254223), (439, 371410), (878, 185705), (2195, 74282), (2857, 57070), (4390, 37141), (5707, 28570), (5714, 28535), (11414, 14285)]