138354884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{4451}}^1$

素因数の和:4883

約数の個数: 24

約数和(自身を含む): 255544800

約数和(自身を除く): 117189916

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 4451, 7771, 8902, 15542, 17804, 31084, 84569, 169138, 338276, 1820459, 3640918, 7281836, 34588721, 69177442, 138354884]

約数ペア:

[(1, 138354884), (2, 69177442), (4, 34588721), (19, 7281836), (38, 3640918), (76, 1820459), (409, 338276), (818, 169138), (1636, 84569), (4451, 31084), (7771, 17804), (8902, 15542)]