128171575

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 187924480

約数和(自身を除く): 59752905

約数列:

[1, 5, 7, 25, 35, 73, 79, 127, 175, 365, 395, 511, 553, 635, 889, 1825, 1975, 2555, 2765, 3175, 4445, 5767, 9271, 10033, 12775, 13825, 22225, 28835, 40369, 46355, 50165, 64897, 70231, 144175, 201845, 231775, 250825, 324485, 351155, 732409, 1009225, 1622425, 1755775, 3662045, 5126863, 18310225, 25634315, 128171575]

約数ペア:

[(1, 128171575), (5, 25634315), (7, 18310225), (25, 5126863), (35, 3662045), (73, 1755775), (79, 1622425), (127, 1009225), (175, 732409), (365, 351155), (395, 324485), (511, 250825), (553, 231775), (635, 201845), (889, 144175), (1825, 70231), (1975, 64897), (2555, 50165), (2765, 46355), (3175, 40369), (4445, 28835), (5767, 22225), (9271, 13825), (10033, 12775)]