255789768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1279}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 690278400

約数和(自身を除く): 434488632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 641, 1279, 1282, 1923, 2558, 2564, 3837, 3846, 5116, 5128, 7674, 7692, 8333, 10232, 15348, 15384, 16627, 16666, 24999, 30696, 33254, 33332, 49881, 49998, 66508, 66664, 99762, 99996, 133016, 199524, 199992, 399048, 819839, 1639678, 2459517, 3279356, 4919034, 6558712, 9838068, 10657907, 19676136, 21315814, 31973721, 42631628, 63947442, 85263256, 127894884, 255789768]

約数ペア:

[(1, 255789768), (2, 127894884), (3, 85263256), (4, 63947442), (6, 42631628), (8, 31973721), (12, 21315814), (13, 19676136), (24, 10657907), (26, 9838068), (39, 6558712), (52, 4919034), (78, 3279356), (104, 2459517), (156, 1639678), (312, 819839), (641, 399048), (1279, 199992), (1282, 199524), (1923, 133016), (2558, 99996), (2564, 99762), (3837, 66664), (3846, 66508), (5116, 49998), (5128, 49881), (7674, 33332), (7692, 33254), (8333, 30696), (10232, 24999), (15348, 16666), (15384, 16627)]