66261872

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{78139}}^1$

素因数の和:78200

約数の個数: 20

約数和(自身を含む): 130806360

約数和(自身を除く): 64544488

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 78139, 156278, 312556, 625112, 1250224, 4141367, 8282734, 16565468, 33130936, 66261872]

約数ペア:

[(1, 66261872), (2, 33130936), (4, 16565468), (8, 8282734), (16, 4141367), (53, 1250224), (106, 625112), (212, 312556), (424, 156278), (848, 78139)]