9991982

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 96

約数和(自身を含む): 22063104

約数和(自身を除く): 12071122

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 31, 46, 49, 62, 77, 91, 98, 143, 154, 161, 182, 217, 253, 286, 299, 322, 341, 403, 434, 506, 539, 598, 637, 682, 713, 806, 1001, 1078, 1127, 1274, 1426, 1519, 1771, 2002, 2093, 2254, 2387, 2821, 3038, 3289, 3542, 4186, 4433, 4774, 4991, 5642, 6578, 7007, 7843, 8866, 9269, 9982, 12397, 14014, 14651, 15686, 16709, 18538, 19747, 23023, 24794, 29302, 31031, 33418, 34937, 39494, 46046, 54901, 62062, 64883, 69874, 101959, 109802, 129766, 161161, 203918, 217217, 322322, 384307, 434434, 454181, 713713, 768614, 908362, 1427426, 4995991, 9991982]

約数ペア:

[(1, 9991982), (2, 4995991), (7, 1427426), (11, 908362), (13, 768614), (14, 713713), (22, 454181), (23, 434434), (26, 384307), (31, 322322), (46, 217217), (49, 203918), (62, 161161), (77, 129766), (91, 109802), (98, 101959), (143, 69874), (154, 64883), (161, 62062), (182, 54901), (217, 46046), (253, 39494), (286, 34937), (299, 33418), (322, 31031), (341, 29302), (403, 24794), (434, 23023), (506, 19747), (539, 18538), (598, 16709), (637, 15686), (682, 14651), (713, 14014), (806, 12397), (1001, 9982), (1078, 9269), (1127, 8866), (1274, 7843), (1426, 7007), (1519, 6578), (1771, 5642), (2002, 4991), (2093, 4774), (2254, 4433), (2387, 4186), (2821, 3542), (3038, 3289)]