67639696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{222499}}^1$

素因数の和:222526

約数の個数: 20

約数和(自身を含む): 137950000

約数和(自身を除く): 70310304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 222499, 444998, 889996, 1779992, 3559984, 4227481, 8454962, 16909924, 33819848, 67639696]

約数ペア:

[(1, 67639696), (2, 33819848), (4, 16909924), (8, 8454962), (16, 4227481), (19, 3559984), (38, 1779992), (76, 889996), (152, 444998), (304, 222499)]