721006052

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1066577}}^1$

素因数の和:1066607

約数の個数: 18

約数和(自身を含む): 1366286418

約数和(自身を除く): 645280366

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1066577, 2133154, 4266308, 13865501, 27731002, 55462004, 180251513, 360503026, 721006052]

約数ペア:

[(1, 721006052), (2, 360503026), (4, 180251513), (13, 55462004), (26, 27731002), (52, 13865501), (169, 4266308), (338, 2133154), (676, 1066577)]