520920218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 1001914368

約数和(自身を除く): 480994150

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 127, 182, 217, 254, 403, 434, 727, 806, 889, 1454, 1651, 1778, 2821, 3302, 3937, 5089, 5642, 7874, 9451, 10178, 11557, 18902, 22537, 23114, 27559, 45074, 51181, 55118, 66157, 92329, 102362, 132314, 157759, 184658, 292981, 315518, 358267, 585962, 646303, 716534, 1200277, 1292606, 2050867, 2400554, 2862199, 4101734, 5724398, 8401939, 16803878, 20035393, 37208587, 40070786, 74417174, 260460109, 520920218]

約数ペア:

[(1, 520920218), (2, 260460109), (7, 74417174), (13, 40070786), (14, 37208587), (26, 20035393), (31, 16803878), (62, 8401939), (91, 5724398), (127, 4101734), (182, 2862199), (217, 2400554), (254, 2050867), (403, 1292606), (434, 1200277), (727, 716534), (806, 646303), (889, 585962), (1454, 358267), (1651, 315518), (1778, 292981), (2821, 184658), (3302, 157759), (3937, 132314), (5089, 102362), (5642, 92329), (7874, 66157), (9451, 55118), (10178, 51181), (11557, 45074), (18902, 27559), (22537, 23114)]