312172945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 467002368

約数和(自身を除く): 154829423

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 361, 589, 665, 797, 1085, 1805, 2527, 2945, 3985, 4123, 5579, 11191, 12635, 15143, 20615, 24707, 27895, 55955, 75715, 78337, 106001, 123535, 172949, 287717, 391685, 469433, 530005, 864745, 1438585, 2014019, 2347165, 3286031, 8919227, 10070095, 16430155, 44596135, 62434589, 312172945]

約数ペア:

[(1, 312172945), (5, 62434589), (7, 44596135), (19, 16430155), (31, 10070095), (35, 8919227), (95, 3286031), (133, 2347165), (155, 2014019), (217, 1438585), (361, 864745), (589, 530005), (665, 469433), (797, 391685), (1085, 287717), (1805, 172949), (2527, 123535), (2945, 106001), (3985, 78337), (4123, 75715), (5579, 55955), (11191, 27895), (12635, 24707), (15143, 20615)]