129781554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 179876046

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 127, 174, 203, 254, 381, 406, 609, 762, 839, 889, 1218, 1678, 1778, 2517, 2667, 3683, 5034, 5334, 5873, 7366, 11049, 11746, 17619, 22098, 24331, 25781, 35238, 48662, 51562, 72993, 77343, 106553, 145986, 154686, 170317, 213106, 319659, 340634, 510951, 639318, 745871, 1021902, 1491742, 2237613, 3090037, 4475226, 6180074, 9270111, 18540222, 21630259, 43260518, 64890777, 129781554]

約数ペア:

[(1, 129781554), (2, 64890777), (3, 43260518), (6, 21630259), (7, 18540222), (14, 9270111), (21, 6180074), (29, 4475226), (42, 3090037), (58, 2237613), (87, 1491742), (127, 1021902), (174, 745871), (203, 639318), (254, 510951), (381, 340634), (406, 319659), (609, 213106), (762, 170317), (839, 154686), (889, 145986), (1218, 106553), (1678, 77343), (1778, 72993), (2517, 51562), (2667, 48662), (3683, 35238), (5034, 25781), (5334, 24331), (5873, 22098), (7366, 17619), (11049, 11746)]