291223114

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 563576832

約数和(自身を除く): 272353718

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 71, 91, 142, 182, 217, 403, 434, 497, 727, 806, 923, 994, 1454, 1846, 2201, 2821, 4402, 5089, 5642, 6461, 9451, 10178, 12922, 15407, 18902, 22537, 28613, 30814, 45074, 51617, 57226, 66157, 103234, 132314, 157759, 200291, 292981, 315518, 361319, 400582, 585962, 671021, 722638, 1342042, 1600127, 2050867, 3200254, 4101734, 4697147, 9394294, 11200889, 20801651, 22401778, 41603302, 145611557, 291223114]

約数ペア:

[(1, 291223114), (2, 145611557), (7, 41603302), (13, 22401778), (14, 20801651), (26, 11200889), (31, 9394294), (62, 4697147), (71, 4101734), (91, 3200254), (142, 2050867), (182, 1600127), (217, 1342042), (403, 722638), (434, 671021), (497, 585962), (727, 400582), (806, 361319), (923, 315518), (994, 292981), (1454, 200291), (1846, 157759), (2201, 132314), (2821, 103234), (4402, 66157), (5089, 57226), (5642, 51617), (6461, 45074), (9451, 30814), (10178, 28613), (12922, 22537), (15407, 18902)]