2021981208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:777

約数の個数: 128

約数和(自身を含む): 5564401920

約数和(自身を除く): 3542420712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 197, 201, 268, 312, 394, 402, 491, 536, 591, 788, 804, 871, 982, 1182, 1473, 1576, 1608, 1742, 1964, 2364, 2561, 2613, 2946, 3484, 3928, 4728, 5122, 5226, 5892, 6383, 6968, 7683, 10244, 10452, 11784, 12766, 13199, 15366, 19149, 20488, 20904, 25532, 26398, 30732, 32897, 38298, 39597, 51064, 52796, 61464, 65794, 76596, 79194, 96727, 98691, 105592, 131588, 153192, 158388, 171587, 193454, 197382, 263176, 290181, 316776, 343174, 386908, 394764, 427661, 514761, 580362, 686348, 773816, 789528, 855322, 1029522, 1160724, 1257451, 1282983, 1372696, 1710644, 2059044, 2321448, 2514902, 2565966, 3421288, 3772353, 4118088, 5029804, 5131932, 6480709, 7544706, 10059608, 10263864, 12961418, 15089412, 19442127, 25922836, 30178824, 38884254, 51845672, 77768508, 84249217, 155537016, 168498434, 252747651, 336996868, 505495302, 673993736, 1010990604, 2021981208]

約数ペア:

[(1, 2021981208), (2, 1010990604), (3, 673993736), (4, 505495302), (6, 336996868), (8, 252747651), (12, 168498434), (13, 155537016), (24, 84249217), (26, 77768508), (39, 51845672), (52, 38884254), (67, 30178824), (78, 25922836), (104, 19442127), (134, 15089412), (156, 12961418), (197, 10263864), (201, 10059608), (268, 7544706), (312, 6480709), (394, 5131932), (402, 5029804), (491, 4118088), (536, 3772353), (591, 3421288), (788, 2565966), (804, 2514902), (871, 2321448), (982, 2059044), (1182, 1710644), (1473, 1372696), (1576, 1282983), (1608, 1257451), (1742, 1160724), (1964, 1029522), (2364, 855322), (2561, 789528), (2613, 773816), (2946, 686348), (3484, 580362), (3928, 514761), (4728, 427661), (5122, 394764), (5226, 386908), (5892, 343174), (6383, 316776), (6968, 290181), (7683, 263176), (10244, 197382), (10452, 193454), (11784, 171587), (12766, 158388), (13199, 153192), (15366, 131588), (19149, 105592), (20488, 98691), (20904, 96727), (25532, 79194), (26398, 76596), (30732, 65794), (32897, 61464), (38298, 52796), (39597, 51064)]