68668912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330139}}^1$

素因数の和:330160

約数の個数: 20

約数和(自身を含む): 143280760

約数和(自身を除く): 74611848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330139, 660278, 1320556, 2641112, 4291807, 5282224, 8583614, 17167228, 34334456, 68668912]

約数ペア:

[(1, 68668912), (2, 34334456), (4, 17167228), (8, 8583614), (13, 5282224), (16, 4291807), (26, 2641112), (52, 1320556), (104, 660278), (208, 330139)]