38395903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 12407297

約数列:

[1, 7, 13, 19, 53, 91, 133, 247, 371, 419, 689, 1007, 1729, 2933, 4823, 5447, 7049, 7961, 13091, 22207, 38129, 55727, 91637, 103493, 155449, 288691, 421933, 724451, 2020837, 2953531, 5485129, 38395903]

約数ペア:

[(1, 38395903), (7, 5485129), (13, 2953531), (19, 2020837), (53, 724451), (91, 421933), (133, 288691), (247, 155449), (371, 103493), (419, 91637), (689, 55727), (1007, 38129), (1729, 22207), (2933, 13091), (4823, 7961), (5447, 7049)]