389776257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 622702080

約数和(自身を除く): 232925823

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 239, 263, 477, 689, 717, 789, 2067, 2151, 2367, 3107, 3419, 6201, 9321, 10257, 12667, 13939, 27963, 30771, 38001, 41817, 62857, 114003, 125451, 164671, 181207, 188571, 494013, 543621, 565713, 817141, 1482039, 1630863, 2451423, 3331421, 7354269, 9994263, 29982789, 43308473, 129925419, 389776257]

約数ペア:

[(1, 389776257), (3, 129925419), (9, 43308473), (13, 29982789), (39, 9994263), (53, 7354269), (117, 3331421), (159, 2451423), (239, 1630863), (263, 1482039), (477, 817141), (689, 565713), (717, 543621), (789, 494013), (2067, 188571), (2151, 181207), (2367, 164671), (3107, 125451), (3419, 114003), (6201, 62857), (9321, 41817), (10257, 38001), (12667, 30771), (13939, 27963)]