161377925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7901}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 215566560

約数和(自身を除く): 54188635

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 7901, 20425, 39505, 150119, 197525, 339743, 750595, 1698715, 3752975, 6455117, 8493575, 32275585, 161377925]

約数ペア:

[(1, 161377925), (5, 32275585), (19, 8493575), (25, 6455117), (43, 3752975), (95, 1698715), (215, 750595), (475, 339743), (817, 197525), (1075, 150119), (4085, 39505), (7901, 20425)]