16639855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 21289824

約数和(自身を除く): 4649969

約数列:

[1, 5, 17, 85, 163, 815, 1201, 2771, 6005, 13855, 20417, 102085, 195763, 978815, 3327971, 16639855]

約数ペア:

[(1, 16639855), (5, 3327971), (17, 978815), (85, 195763), (163, 102085), (815, 20417), (1201, 13855), (2771, 6005)]