28994021

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2521}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 34864128

約数和(自身を除く): 5870107

約数列:

[1, 7, 31, 53, 217, 371, 1643, 2521, 11501, 17647, 78151, 133613, 547057, 935291, 4142003, 28994021]

約数ペア:

[(1, 28994021), (7, 4142003), (31, 935291), (53, 547057), (217, 133613), (371, 78151), (1643, 17647), (2521, 11501)]