16880438

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1663

約数の個数: 16

約数和(自身を含む): 26142480

約数和(自身を除く): 9262042

約数列:

[1, 2, 41, 82, 139, 278, 1481, 2962, 5699, 11398, 60721, 121442, 205859, 411718, 8440219, 16880438]

約数ペア:

[(1, 16880438), (2, 8440219), (41, 411718), (82, 205859), (139, 121442), (278, 60721), (1481, 11398), (2962, 5699)]