128442419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18553}}^1$

素因数の和:18626

約数の個数: 16

約数和(自身を含む): 156744192

約数和(自身を除く): 28301773

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 18553, 129871, 426719, 797779, 2987033, 5584453, 18348917, 128442419]

約数ペア:

[(1, 128442419), (7, 18348917), (23, 5584453), (43, 2987033), (161, 797779), (301, 426719), (989, 129871), (6923, 18553)]