51123457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28867}}^1$

素因数の和:28908

約数の個数: 16

約数和(自身を含む): 66511872

約数和(自身を除く): 15388415

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 28867, 202069, 317537, 663941, 2222759, 4647587, 7303351, 51123457]

約数ペア:

[(1, 51123457), (7, 7303351), (11, 4647587), (23, 2222759), (77, 663941), (161, 317537), (253, 202069), (1771, 28867)]