209210425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{440443}}^1$

素因数の和:440472

約数の個数: 12

約数和(自身を含む): 273075280

約数和(自身を除く): 63864855

約数列:

[1, 5, 19, 25, 95, 475, 440443, 2202215, 8368417, 11011075, 41842085, 209210425]

約数ペア:

[(1, 209210425), (5, 41842085), (19, 11011075), (25, 8368417), (95, 2202215), (475, 440443)]