129638906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{27431}}^1$

素因数の和:27589

約数の個数: 16

約数和(自身を含む): 207385920

約数和(自身を除く): 77747014

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 27431, 54862, 466327, 932654, 3812909, 7625818, 64819453, 129638906]

約数ペア:

[(1, 129638906), (2, 64819453), (17, 7625818), (34, 3812909), (139, 932654), (278, 466327), (2363, 54862), (4726, 27431)]