261346306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{324251}}^1$

素因数の和:324297

約数の個数: 16

約数和(自身を含む): 435794688

約数和(自身を除く): 174448382

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 324251, 648502, 4215263, 8430526, 10051781, 20103562, 130673153, 261346306]

約数ペア:

[(1, 261346306), (2, 130673153), (13, 20103562), (26, 10051781), (31, 8430526), (62, 4215263), (403, 648502), (806, 324251)]