8420458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3213

約数の個数: 16

約数和(自身を含む): 13487040

約数和(自身を除く): 5066582

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 3121, 6242, 59299, 118598, 221591, 443182, 4210229, 8420458]

約数ペア:

[(1, 8420458), (2, 4210229), (19, 443182), (38, 221591), (71, 118598), (142, 59299), (1349, 6242), (2698, 3121)]