28212911

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 3085489

約数列:

[1, 17, 29, 89, 493, 643, 1513, 2581, 10931, 18647, 43877, 57227, 316999, 972859, 1659583, 28212911]

約数ペア:

[(1, 28212911), (17, 1659583), (29, 972859), (89, 316999), (493, 57227), (643, 43877), (1513, 18647), (2581, 10931)]