261668792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 653115120

約数和(自身を除く): 391446328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 73, 77, 88, 92, 121, 146, 154, 161, 184, 242, 253, 292, 308, 322, 484, 506, 511, 529, 584, 616, 644, 803, 847, 968, 1012, 1022, 1058, 1288, 1606, 1679, 1694, 1771, 2024, 2044, 2116, 2783, 3212, 3358, 3388, 3542, 3703, 4088, 4232, 5566, 5621, 5819, 6424, 6716, 6776, 7084, 7406, 8833, 11132, 11242, 11638, 11753, 13432, 14168, 14812, 17666, 18469, 19481, 22264, 22484, 23276, 23506, 29624, 35332, 36938, 38617, 38962, 40733, 44968, 46552, 47012, 61831, 64009, 70664, 73876, 77234, 77924, 81466, 94024, 123662, 128018, 129283, 147752, 154468, 155848, 162932, 203159, 247324, 256036, 258566, 270319, 308936, 325864, 406318, 424787, 448063, 494648, 512072, 517132, 540638, 812636, 849574, 896126, 1034264, 1081276, 1422113, 1625272, 1699148, 1792252, 2162552, 2844226, 2973509, 3398296, 3584504, 4672657, 5688452, 5947018, 9345314, 11376904, 11894036, 18690628, 23788072, 32708599, 37381256, 65417198, 130834396, 261668792]

約数ペア:

[(1, 261668792), (2, 130834396), (4, 65417198), (7, 37381256), (8, 32708599), (11, 23788072), (14, 18690628), (22, 11894036), (23, 11376904), (28, 9345314), (44, 5947018), (46, 5688452), (56, 4672657), (73, 3584504), (77, 3398296), (88, 2973509), (92, 2844226), (121, 2162552), (146, 1792252), (154, 1699148), (161, 1625272), (184, 1422113), (242, 1081276), (253, 1034264), (292, 896126), (308, 849574), (322, 812636), (484, 540638), (506, 517132), (511, 512072), (529, 494648), (584, 448063), (616, 424787), (644, 406318), (803, 325864), (847, 308936), (968, 270319), (1012, 258566), (1022, 256036), (1058, 247324), (1288, 203159), (1606, 162932), (1679, 155848), (1694, 154468), (1771, 147752), (2024, 129283), (2044, 128018), (2116, 123662), (2783, 94024), (3212, 81466), (3358, 77924), (3388, 77234), (3542, 73876), (3703, 70664), (4088, 64009), (4232, 61831), (5566, 47012), (5621, 46552), (5819, 44968), (6424, 40733), (6716, 38962), (6776, 38617), (7084, 36938), (7406, 35332), (8833, 29624), (11132, 23506), (11242, 23276), (11638, 22484), (11753, 22264), (13432, 19481), (14168, 18469), (14812, 17666)]