207949742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 421521408

約数和(自身を除く): 213571666

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 241, 286, 431, 482, 862, 1001, 1687, 2002, 2651, 3017, 3133, 3374, 4741, 5302, 5603, 6034, 6266, 9482, 11206, 18557, 21931, 33187, 34463, 37114, 39221, 43862, 61633, 66374, 68926, 78442, 103871, 123266, 207742, 241241, 431431, 482482, 727097, 862862, 1142581, 1350323, 1454194, 2285162, 2700646, 7998067, 9452261, 14853553, 15996134, 18904522, 29707106, 103974871, 207949742]

約数ペア:

[(1, 207949742), (2, 103974871), (7, 29707106), (11, 18904522), (13, 15996134), (14, 14853553), (22, 9452261), (26, 7998067), (77, 2700646), (91, 2285162), (143, 1454194), (154, 1350323), (182, 1142581), (241, 862862), (286, 727097), (431, 482482), (482, 431431), (862, 241241), (1001, 207742), (1687, 123266), (2002, 103871), (2651, 78442), (3017, 68926), (3133, 66374), (3374, 61633), (4741, 43862), (5302, 39221), (5603, 37114), (6034, 34463), (6266, 33187), (9482, 21931), (11206, 18557)]