27971356

素因数分解:

$2^2\times 7^2\times {\mathrm{142711}}^1$

素因数の和:142729

約数の個数: 18

約数和(自身を含む): 56942088

約数和(自身を除く): 28970732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 142711, 285422, 570844, 998977, 1997954, 3995908, 6992839, 13985678, 27971356]

約数ペア:

[(1, 27971356), (2, 13985678), (4, 6992839), (7, 3995908), (14, 1997954), (28, 998977), (49, 570844), (98, 285422), (196, 142711)]