179997494

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{28151}}^1$

素因数の和:28315

約数の個数: 16

約数和(自身を含む): 283772160

約数和(自身を除く): 103774666

約数列:

[1, 2, 23, 46, 139, 278, 3197, 6394, 28151, 56302, 647473, 1294946, 3912989, 7825978, 89998747, 179997494]

約数ペア:

[(1, 179997494), (2, 89998747), (23, 7825978), (46, 3912989), (139, 1294946), (278, 647473), (3197, 56302), (6394, 28151)]