2488331391

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{128377}}^1$

素因数の和:128471

約数の個数: 32

約数和(自身を含む): 4140960768

約数和(自身を除く): 1652629377

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 19383, 128377, 385131, 898639, 1668901, 2695917, 5006703, 9114767, 11682307, 27344301, 35046921, 63803369, 118491971, 191410107, 355475913, 829443797, 2488331391]

約数ペア:

[(1, 2488331391), (3, 829443797), (7, 355475913), (13, 191410107), (21, 118491971), (39, 63803369), (71, 35046921), (91, 27344301), (213, 11682307), (273, 9114767), (497, 5006703), (923, 2695917), (1491, 1668901), (2769, 898639), (6461, 385131), (19383, 128377)]