681370561

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{7741}}^1$

素因数の和:7896

約数の個数: 16

約数和(自身を含む): 735799680

約数和(自身を除く): 54429119

約数列:

[1, 23, 43, 89, 989, 2047, 3827, 7741, 88021, 178043, 332863, 688949, 7655849, 15845827, 29624807, 681370561]

約数ペア:

[(1, 681370561), (23, 29624807), (43, 15845827), (89, 7655849), (989, 688949), (2047, 332863), (3827, 178043), (7741, 88021)]