388889722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{4861}}^1$

素因数の和:5074

約数の個数: 32

約数和(自身を含む): 668972304

約数和(自身を除く): 280082582

約数列:

[1, 2, 13, 17, 26, 34, 181, 221, 362, 442, 2353, 3077, 4706, 4861, 6154, 9722, 40001, 63193, 80002, 82637, 126386, 165274, 879841, 1074281, 1759682, 2148562, 11437933, 14957297, 22875866, 29914594, 194444861, 388889722]

約数ペア:

[(1, 388889722), (2, 194444861), (13, 29914594), (17, 22875866), (26, 14957297), (34, 11437933), (181, 2148562), (221, 1759682), (362, 1074281), (442, 879841), (2353, 165274), (3077, 126386), (4706, 82637), (4861, 80002), (6154, 63193), (9722, 40001)]