128575199221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1\times {\mathrm{399137}}^1$

素因数の和:401868

約数の個数: 16

約数和(自身を含む): 155644661376

約数和(自身を除く): 27069462155

約数列:

[1, 7, 17, 119, 2707, 18949, 46019, 322133, 399137, 2793959, 6785329, 47497303, 1080463859, 7563247013, 18367885603, 128575199221]

約数ペア:

[(1, 128575199221), (7, 18367885603), (17, 7563247013), (119, 1080463859), (2707, 47497303), (18949, 6785329), (46019, 2793959), (322133, 399137)]