289480945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 398863872

約数和(自身を除く): 109382927

約数列:

[1, 5, 13, 31, 43, 65, 155, 169, 215, 257, 403, 559, 845, 1285, 1333, 2015, 2795, 3341, 5239, 6665, 7267, 7967, 11051, 16705, 17329, 26195, 36335, 39835, 43433, 55255, 86645, 103571, 143663, 217165, 225277, 342581, 517855, 718315, 1126385, 1346423, 1712905, 1867619, 4453553, 6732115, 9338095, 22267765, 57896189, 289480945]

約数ペア:

[(1, 289480945), (5, 57896189), (13, 22267765), (31, 9338095), (43, 6732115), (65, 4453553), (155, 1867619), (169, 1712905), (215, 1346423), (257, 1126385), (403, 718315), (559, 517855), (845, 342581), (1285, 225277), (1333, 217165), (2015, 143663), (2795, 103571), (3341, 86645), (5239, 55255), (6665, 43433), (7267, 39835), (7967, 36335), (11051, 26195), (16705, 17329)]