251189445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 458599680

約数和(自身を除く): 207410235

約数列:

[1, 3, 5, 13, 15, 29, 39, 43, 65, 87, 129, 145, 195, 215, 377, 435, 559, 645, 1033, 1131, 1247, 1677, 1885, 2795, 3099, 3741, 5165, 5655, 6235, 8385, 13429, 15495, 16211, 18705, 29957, 40287, 44419, 48633, 67145, 81055, 89871, 133257, 149785, 201435, 222095, 243165, 389441, 449355, 577447, 666285, 1168323, 1288151, 1732341, 1947205, 2887235, 3864453, 5841615, 6440755, 8661705, 16745963, 19322265, 50237889, 83729815, 251189445]

約数ペア:

[(1, 251189445), (3, 83729815), (5, 50237889), (13, 19322265), (15, 16745963), (29, 8661705), (39, 6440755), (43, 5841615), (65, 3864453), (87, 2887235), (129, 1947205), (145, 1732341), (195, 1288151), (215, 1168323), (377, 666285), (435, 577447), (559, 449355), (645, 389441), (1033, 243165), (1131, 222095), (1247, 201435), (1677, 149785), (1885, 133257), (2795, 89871), (3099, 81055), (3741, 67145), (5165, 48633), (5655, 44419), (6235, 40287), (8385, 29957), (13429, 18705), (15495, 16211)]