128165338

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{398029}}^1$

素因数の和:398061

約数の個数: 16

約数和(自身を含む): 229265280

約数和(自身を除く): 101099942

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 398029, 796058, 2786203, 5572406, 9154667, 18309334, 64082669, 128165338]

約数ペア:

[(1, 128165338), (2, 64082669), (7, 18309334), (14, 9154667), (23, 5572406), (46, 2786203), (161, 796058), (322, 398029)]