7938865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 11197440

約数和(自身を除く): 3258575

約数列:

[1, 5, 11, 19, 55, 71, 95, 107, 209, 355, 535, 781, 1045, 1177, 1349, 2033, 3905, 5885, 6745, 7597, 10165, 14839, 22363, 37985, 74195, 83567, 111815, 144343, 417835, 721715, 1587773, 7938865]

約数ペア:

[(1, 7938865), (5, 1587773), (11, 721715), (19, 417835), (55, 144343), (71, 111815), (95, 83567), (107, 74195), (209, 37985), (355, 22363), (535, 14839), (781, 10165), (1045, 7597), (1177, 6745), (1349, 5885), (2033, 3905)]