7881874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 16515072

約数和(自身を除く): 8633198

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 127, 143, 154, 182, 217, 254, 286, 341, 403, 434, 682, 806, 889, 1001, 1397, 1651, 1778, 2002, 2387, 2794, 2821, 3302, 3937, 4433, 4774, 5642, 7874, 8866, 9779, 11557, 18161, 19558, 23114, 27559, 31031, 36322, 43307, 51181, 55118, 62062, 86614, 102362, 127127, 254254, 303149, 358267, 562991, 606298, 716534, 1125982, 3940937, 7881874]

約数ペア:

[(1, 7881874), (2, 3940937), (7, 1125982), (11, 716534), (13, 606298), (14, 562991), (22, 358267), (26, 303149), (31, 254254), (62, 127127), (77, 102362), (91, 86614), (127, 62062), (143, 55118), (154, 51181), (182, 43307), (217, 36322), (254, 31031), (286, 27559), (341, 23114), (403, 19558), (434, 18161), (682, 11557), (806, 9779), (889, 8866), (1001, 7874), (1397, 5642), (1651, 4774), (1778, 4433), (2002, 3937), (2387, 3302), (2794, 2821)]