90256859

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 126406656

約数和(自身を除く): 36149797

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 191, 209, 323, 361, 1309, 1337, 1463, 2101, 2261, 2527, 3247, 3553, 3629, 3971, 6137, 14707, 22729, 24871, 25403, 27797, 35717, 39919, 42959, 61693, 67507, 68951, 250019, 279433, 431851, 472549, 482657, 678623, 758461, 1172167, 4750361, 5309227, 8205169, 12893837, 90256859]

約数ペア:

[(1, 90256859), (7, 12893837), (11, 8205169), (17, 5309227), (19, 4750361), (77, 1172167), (119, 758461), (133, 678623), (187, 482657), (191, 472549), (209, 431851), (323, 279433), (361, 250019), (1309, 68951), (1337, 67507), (1463, 61693), (2101, 42959), (2261, 39919), (2527, 35717), (3247, 27797), (3553, 25403), (3629, 24871), (3971, 22729), (6137, 14707)]