261716312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{228773}}^1$

素因数の和:228803

約数の個数: 32

約数和(自身を含む): 576510480

約数和(自身を除く): 314794168

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 228773, 457546, 915092, 1830184, 2516503, 2974049, 5033006, 5948098, 10066012, 11896196, 20132024, 23792392, 32714539, 65429078, 130858156, 261716312]

約数ペア:

[(1, 261716312), (2, 130858156), (4, 65429078), (8, 32714539), (11, 23792392), (13, 20132024), (22, 11896196), (26, 10066012), (44, 5948098), (52, 5033006), (88, 2974049), (104, 2516503), (143, 1830184), (286, 915092), (572, 457546), (1144, 228773)]