213304325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{656321}}^1$

素因数の和:656344

約数の個数: 12

約数和(自身を含む): 284843748

約数和(自身を除く): 71539423

約数列:

[1, 5, 13, 25, 65, 325, 656321, 3281605, 8532173, 16408025, 42660865, 213304325]

約数ペア:

[(1, 213304325), (5, 42660865), (13, 16408025), (25, 8532173), (65, 3281605), (325, 656321)]