81339356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170881}}^1$

素因数の和:170909

約数の個数: 24

約数和(自身を含む): 172249056

約数和(自身を除く): 90909700

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170881, 341762, 683524, 1196167, 2392334, 2904977, 4784668, 5809954, 11619908, 20334839, 40669678, 81339356]

約数ペア:

[(1, 81339356), (2, 40669678), (4, 20334839), (7, 11619908), (14, 5809954), (17, 4784668), (28, 2904977), (34, 2392334), (68, 1196167), (119, 683524), (238, 341762), (476, 170881)]