31879614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{408713}}^1$

素因数の和:408731

約数の個数: 16

約数和(自身を含む): 68663952

約数和(自身を除く): 36784338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 408713, 817426, 1226139, 2452278, 5313269, 10626538, 15939807, 31879614]

約数ペア:

[(1, 31879614), (2, 15939807), (3, 10626538), (6, 5313269), (13, 2452278), (26, 1226139), (39, 817426), (78, 408713)]