216338305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{1721}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 268466688

約数和(自身を除く): 52128383

約数列:

[1, 5, 31, 155, 811, 1721, 4055, 8605, 25141, 53351, 125705, 266755, 1395731, 6978655, 43267661, 216338305]

約数ペア:

[(1, 216338305), (5, 43267661), (31, 6978655), (155, 1395731), (811, 266755), (1721, 125705), (4055, 53351), (8605, 25141)]