38999978

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{1451}}^1$

素因数の和:1693

約数の個数: 16

約数和(自身を含む): 59590080

約数和(自身を除く): 20590102

約数列:

[1, 2, 89, 151, 178, 302, 1451, 2902, 13439, 26878, 129139, 219101, 258278, 438202, 19499989, 38999978]

約数ペア:

[(1, 38999978), (2, 19499989), (89, 438202), (151, 258278), (178, 219101), (302, 129139), (1451, 26878), (2902, 13439)]