66968848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{246209}}^1$

素因数の和:246234

約数の個数: 20

約数和(自身を含む): 137385180

約数和(自身を除く): 70416332

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 246209, 492418, 984836, 1969672, 3939344, 4185553, 8371106, 16742212, 33484424, 66968848]

約数ペア:

[(1, 66968848), (2, 33484424), (4, 16742212), (8, 8371106), (16, 4185553), (17, 3939344), (34, 1969672), (68, 984836), (136, 492418), (272, 246209)]