991349219

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{49157}}^1$

素因数の和:49274

約数の個数: 16

約数和(自身を含む): 1176645888

約数和(自身を除く): 185296669

約数列:

[1, 7, 43, 67, 301, 469, 2881, 20167, 49157, 344099, 2113751, 3293519, 14796257, 23054633, 141621317, 991349219]

約数ペア:

[(1, 991349219), (7, 141621317), (43, 23054633), (67, 14796257), (301, 3293519), (469, 2113751), (2881, 344099), (20167, 49157)]