25378815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 53450496

約数和(自身を除く): 28071681

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 49, 55, 73, 77, 105, 129, 147, 165, 215, 219, 231, 245, 301, 365, 385, 473, 511, 539, 645, 735, 803, 903, 1095, 1155, 1419, 1505, 1533, 1617, 2107, 2365, 2409, 2555, 2695, 3139, 3311, 3577, 4015, 4515, 5621, 6321, 7095, 7665, 8085, 9417, 9933, 10535, 10731, 12045, 15695, 16555, 16863, 17885, 21973, 23177, 28105, 31605, 34529, 39347, 47085, 49665, 53655, 65919, 69531, 84315, 103587, 109865, 115885, 118041, 153811, 172645, 196735, 241703, 329595, 347655, 461433, 517935, 590205, 725109, 769055, 1208515, 1691921, 2307165, 3625545, 5075763, 8459605, 25378815]

約数ペア:

[(1, 25378815), (3, 8459605), (5, 5075763), (7, 3625545), (11, 2307165), (15, 1691921), (21, 1208515), (33, 769055), (35, 725109), (43, 590205), (49, 517935), (55, 461433), (73, 347655), (77, 329595), (105, 241703), (129, 196735), (147, 172645), (165, 153811), (215, 118041), (219, 115885), (231, 109865), (245, 103587), (301, 84315), (365, 69531), (385, 65919), (473, 53655), (511, 49665), (539, 47085), (645, 39347), (735, 34529), (803, 31605), (903, 28105), (1095, 23177), (1155, 21973), (1419, 17885), (1505, 16863), (1533, 16555), (1617, 15695), (2107, 12045), (2365, 10731), (2409, 10535), (2555, 9933), (2695, 9417), (3139, 8085), (3311, 7665), (3577, 7095), (4015, 6321), (4515, 5621)]