388421254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{317857}}^1$

素因数の和:317919

約数の個数: 16

約数和(自身を含む): 640801728

約数和(自身を除く): 252380474

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 317857, 635714, 4132141, 8264282, 14939279, 29878558, 194210627, 388421254]

約数ペア:

[(1, 388421254), (2, 194210627), (13, 29878558), (26, 14939279), (47, 8264282), (94, 4132141), (611, 635714), (1222, 317857)]