199811425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{1213}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 270964800

約数和(自身を除く): 71153375

約数列:

[1, 5, 11, 25, 55, 275, 599, 1213, 2995, 6065, 6589, 13343, 14975, 30325, 32945, 66715, 164725, 333575, 726587, 3632935, 7992457, 18164675, 39962285, 199811425]

約数ペア:

[(1, 199811425), (5, 39962285), (11, 18164675), (25, 7992457), (55, 3632935), (275, 726587), (599, 333575), (1213, 164725), (2995, 66715), (6065, 32945), (6589, 30325), (13343, 14975)]