217112857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{2267}}^1$

素因数の和:2472

約数の個数: 16

約数和(自身を含む): 240045120

約数和(自身を除く): 22932263

約数列:

[1, 13, 53, 139, 689, 1807, 2267, 7367, 29471, 95771, 120151, 315113, 1561963, 4096469, 16700989, 217112857]

約数ペア:

[(1, 217112857), (13, 16700989), (53, 4096469), (139, 1561963), (689, 315113), (1807, 120151), (2267, 95771), (7367, 29471)]