16991195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1511}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 22099392

約数和(自身を除く): 5108197

約数列:

[1, 5, 13, 65, 173, 865, 1511, 2249, 7555, 11245, 19643, 98215, 261403, 1307015, 3398239, 16991195]

約数ペア:

[(1, 16991195), (5, 3398239), (13, 1307015), (65, 261403), (173, 98215), (865, 19643), (1511, 11245), (2249, 7555)]