172866974

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{398311}}^1$

素因数の和:398351

約数の個数: 16

約数和(自身を含む): 305903616

約数和(自身を除く): 133036642

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 398311, 796622, 2788177, 5576354, 12347641, 24695282, 86433487, 172866974]

約数ペア:

[(1, 172866974), (2, 86433487), (7, 24695282), (14, 12347641), (31, 5576354), (62, 2788177), (217, 796622), (434, 398311)]