28131754

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{5011}}^1$

素因数の和:5421

約数の個数: 16

約数和(自身を含む): 48355776

約数和(自身を除く): 20224022

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5011, 5614, 10022, 35077, 70154, 2009411, 4018822, 14065877, 28131754]

約数ペア:

[(1, 28131754), (2, 14065877), (7, 4018822), (14, 2009411), (401, 70154), (802, 35077), (2807, 10022), (5011, 5614)]