31770505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15816

約数の個数: 16

約数和(自身を含む): 42384384

約数和(自身を除く): 10613879

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 15767, 78835, 204971, 488777, 1024855, 2443885, 6354101, 31770505]

約数ペア:

[(1, 31770505), (5, 6354101), (13, 2443885), (31, 1024855), (65, 488777), (155, 204971), (403, 78835), (2015, 15767)]