28005439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{907}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 35041536

約数和(自身を除く): 7036097

約数列:

[1, 7, 11, 77, 401, 907, 2807, 4411, 6349, 9977, 30877, 69839, 363707, 2545949, 4000777, 28005439]

約数ペア:

[(1, 28005439), (7, 4000777), (11, 2545949), (77, 363707), (401, 69839), (907, 30877), (2807, 9977), (4411, 6349)]