2787173879

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{21997}}^1$

素因数の和:22814

約数の個数: 16

約数和(自身を含む): 3328209408

約数和(自身を除く): 541035529

約数列:

[1, 7, 23, 161, 787, 5509, 18101, 21997, 126707, 153979, 505931, 3541517, 17311639, 121181473, 398167697, 2787173879]

約数ペア:

[(1, 2787173879), (7, 398167697), (23, 121181473), (161, 17311639), (787, 3541517), (5509, 505931), (18101, 153979), (21997, 126707)]