212778888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 646963200

約数和(自身を除く): 434184312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 53, 56, 69, 84, 92, 106, 138, 159, 161, 168, 184, 212, 276, 318, 322, 371, 424, 483, 552, 636, 644, 742, 966, 1039, 1113, 1219, 1272, 1288, 1484, 1932, 2078, 2226, 2438, 2968, 3117, 3657, 3864, 4156, 4452, 4876, 6234, 7273, 7314, 8312, 8533, 8904, 9752, 12468, 14546, 14628, 17066, 21819, 23897, 24936, 25599, 29092, 29256, 34132, 43638, 47794, 51198, 55067, 58184, 68264, 71691, 87276, 95588, 102396, 110134, 143382, 165201, 167279, 174552, 191176, 204792, 220268, 286764, 330402, 334558, 385469, 440536, 501837, 573528, 660804, 669116, 770938, 1003674, 1156407, 1266541, 1321608, 1338232, 1541876, 2007348, 2312814, 2533082, 3083752, 3799623, 4014696, 4625628, 5066164, 7599246, 8865787, 9251256, 10132328, 15198492, 17731574, 26597361, 30396984, 35463148, 53194722, 70926296, 106389444, 212778888]

約数ペア:

[(1, 212778888), (2, 106389444), (3, 70926296), (4, 53194722), (6, 35463148), (7, 30396984), (8, 26597361), (12, 17731574), (14, 15198492), (21, 10132328), (23, 9251256), (24, 8865787), (28, 7599246), (42, 5066164), (46, 4625628), (53, 4014696), (56, 3799623), (69, 3083752), (84, 2533082), (92, 2312814), (106, 2007348), (138, 1541876), (159, 1338232), (161, 1321608), (168, 1266541), (184, 1156407), (212, 1003674), (276, 770938), (318, 669116), (322, 660804), (371, 573528), (424, 501837), (483, 440536), (552, 385469), (636, 334558), (644, 330402), (742, 286764), (966, 220268), (1039, 204792), (1113, 191176), (1219, 174552), (1272, 167279), (1288, 165201), (1484, 143382), (1932, 110134), (2078, 102396), (2226, 95588), (2438, 87276), (2968, 71691), (3117, 68264), (3657, 58184), (3864, 55067), (4156, 51198), (4452, 47794), (4876, 43638), (6234, 34132), (7273, 29256), (7314, 29092), (8312, 25599), (8533, 24936), (8904, 23897), (9752, 21819), (12468, 17066), (14546, 14628)]