199995271

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{4297}}^1$

素因数の和:4474

約数の個数: 16

約数和(自身を含む): 234498880

約数和(自身を除く): 34503609

約数列:

[1, 7, 61, 109, 427, 763, 4297, 6649, 30079, 46543, 262117, 468373, 1834819, 3278611, 28570753, 199995271]

約数ペア:

[(1, 199995271), (7, 28570753), (61, 3278611), (109, 1834819), (427, 468373), (763, 262117), (4297, 46543), (6649, 30079)]