71389916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{3803}}^1$

素因数の和:3858

約数の個数: 36

約数和(自身を含む): 142033752

約数和(自身を除く): 70643836

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1444, 3803, 4693, 7606, 9386, 15212, 18772, 49439, 72257, 98878, 144514, 197756, 289028, 939341, 1372883, 1878682, 2745766, 3757364, 5491532, 17847479, 35694958, 71389916]

約数ペア:

[(1, 71389916), (2, 35694958), (4, 17847479), (13, 5491532), (19, 3757364), (26, 2745766), (38, 1878682), (52, 1372883), (76, 939341), (247, 289028), (361, 197756), (494, 144514), (722, 98878), (988, 72257), (1444, 49439), (3803, 18772), (4693, 15212), (7606, 9386)]