78229328

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{80153}}^1$

素因数の和:80222

約数の個数: 20

約数和(自身を含む): 154055988

約数和(自身を除く): 75826660

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 80153, 160306, 320612, 641224, 1282448, 4889333, 9778666, 19557332, 39114664, 78229328]

約数ペア:

[(1, 78229328), (2, 39114664), (4, 19557332), (8, 9778666), (16, 4889333), (61, 1282448), (122, 641224), (244, 320612), (488, 160306), (976, 80153)]