320470278

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{407723}}^1$

素因数の和:407859

約数の個数: 16

約数和(自身を含む): 645834816

約数和(自身を除く): 325364538

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 407723, 815446, 1223169, 2446338, 53411713, 106823426, 160235139, 320470278]

約数ペア:

[(1, 320470278), (2, 160235139), (3, 106823426), (6, 53411713), (131, 2446338), (262, 1223169), (393, 815446), (786, 407723)]