257367054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1613}}^1$

素因数の和:1785

約数の個数: 64

約数和(自身を含む): 613578240

約数和(自身を除く): 356211186

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 131, 174, 203, 262, 393, 406, 609, 786, 917, 1218, 1613, 1834, 2751, 3226, 3799, 4839, 5502, 7598, 9678, 11291, 11397, 22582, 22794, 26593, 33873, 46777, 53186, 67746, 79779, 93554, 140331, 159558, 211303, 280662, 327439, 422606, 633909, 654878, 982317, 1267818, 1479121, 1964634, 2958242, 4437363, 6127787, 8874726, 12255574, 18383361, 36766722, 42894509, 85789018, 128683527, 257367054]

約数ペア:

[(1, 257367054), (2, 128683527), (3, 85789018), (6, 42894509), (7, 36766722), (14, 18383361), (21, 12255574), (29, 8874726), (42, 6127787), (58, 4437363), (87, 2958242), (131, 1964634), (174, 1479121), (203, 1267818), (262, 982317), (393, 654878), (406, 633909), (609, 422606), (786, 327439), (917, 280662), (1218, 211303), (1613, 159558), (1834, 140331), (2751, 93554), (3226, 79779), (3799, 67746), (4839, 53186), (5502, 46777), (7598, 33873), (9678, 26593), (11291, 22794), (11397, 22582)]