389858511

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 661422080

約数和(自身を除く): 271563569

約数列:

[1, 3, 7, 19, 21, 31, 43, 57, 93, 129, 133, 217, 301, 399, 589, 651, 733, 817, 903, 1333, 1767, 2199, 2451, 3999, 4123, 5131, 5719, 9331, 12369, 13927, 15393, 17157, 22723, 25327, 27993, 31519, 41781, 68169, 75981, 94557, 97489, 159061, 177289, 220633, 292467, 431737, 477183, 531867, 598861, 661899, 977089, 1295211, 1796583, 2931267, 3022159, 4192027, 6839623, 9066477, 12576081, 18564691, 20518869, 55694073, 129952837, 389858511]

約数ペア:

[(1, 389858511), (3, 129952837), (7, 55694073), (19, 20518869), (21, 18564691), (31, 12576081), (43, 9066477), (57, 6839623), (93, 4192027), (129, 3022159), (133, 2931267), (217, 1796583), (301, 1295211), (399, 977089), (589, 661899), (651, 598861), (733, 531867), (817, 477183), (903, 431737), (1333, 292467), (1767, 220633), (2199, 177289), (2451, 159061), (3999, 97489), (4123, 94557), (5131, 75981), (5719, 68169), (9331, 41781), (12369, 31519), (13927, 27993), (15393, 25327), (17157, 22723)]