251172719

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{11909}}^1$

素因数の和:12070

約数の個数: 16

約数和(自身を含む): 301847040

約数和(自身を除く): 50674321

約数列:

[1, 7, 23, 131, 161, 917, 3013, 11909, 21091, 83363, 273907, 1560079, 1917349, 10920553, 35881817, 251172719]

約数ペア:

[(1, 251172719), (7, 35881817), (23, 10920553), (131, 1917349), (161, 1560079), (917, 273907), (3013, 83363), (11909, 21091)]