191502779

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 218800512

約数和(自身を除く): 27297733

約数列:

[1, 13, 31, 43, 257, 403, 559, 1333, 1849, 3341, 7967, 11051, 17329, 24037, 57319, 103571, 143663, 342581, 475193, 745147, 4453553, 6177509, 14730983, 191502779]

約数ペア:

[(1, 191502779), (13, 14730983), (31, 6177509), (43, 4453553), (257, 745147), (403, 475193), (559, 342581), (1333, 143663), (1849, 103571), (3341, 57319), (7967, 24037), (11051, 17329)]