128005052

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 282013200

約数和(自身を除く): 154008148

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 74, 76, 98, 133, 148, 196, 259, 266, 518, 532, 703, 929, 931, 1036, 1406, 1813, 1858, 1862, 2812, 3626, 3716, 3724, 4921, 6503, 7252, 9842, 13006, 17651, 19684, 26012, 34373, 34447, 35302, 45521, 68746, 68894, 70604, 91042, 123557, 137492, 137788, 182084, 240611, 247114, 481222, 494228, 653087, 864899, 962444, 1306174, 1684277, 1729798, 2612348, 3368554, 3459596, 4571609, 6737108, 9143218, 18286436, 32001263, 64002526, 128005052]

約数ペア:

[(1, 128005052), (2, 64002526), (4, 32001263), (7, 18286436), (14, 9143218), (19, 6737108), (28, 4571609), (37, 3459596), (38, 3368554), (49, 2612348), (74, 1729798), (76, 1684277), (98, 1306174), (133, 962444), (148, 864899), (196, 653087), (259, 494228), (266, 481222), (518, 247114), (532, 240611), (703, 182084), (929, 137788), (931, 137492), (1036, 123557), (1406, 91042), (1813, 70604), (1858, 68894), (1862, 68746), (2812, 45521), (3626, 35302), (3716, 34447), (3724, 34373), (4921, 26012), (6503, 19684), (7252, 17651), (9842, 13006)]