1997659783

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{342593}}^1$

素因数の和:342631

約数の個数: 16

約数和(自身を含む): 2466676800

約数和(自身を除く): 469017017

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 342593, 2398151, 5824081, 16787057, 40768567, 117509399, 285379969, 1997659783]

約数ペア:

[(1, 1997659783), (7, 285379969), (17, 117509399), (49, 40768567), (119, 16787057), (343, 5824081), (833, 2398151), (5831, 342593)]