28717997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 9104467

約数列:

[1, 7, 11, 31, 53, 77, 217, 227, 341, 371, 583, 1589, 1643, 2387, 2497, 4081, 7037, 11501, 12031, 17479, 18073, 49259, 77407, 84217, 126511, 132341, 372961, 541849, 926387, 2610727, 4102571, 28717997]

約数ペア:

[(1, 28717997), (7, 4102571), (11, 2610727), (31, 926387), (53, 541849), (77, 372961), (217, 132341), (227, 126511), (341, 84217), (371, 77407), (583, 49259), (1589, 18073), (1643, 17479), (2387, 12031), (2497, 11501), (4081, 7037)]