25513719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 20520201

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 73, 77, 89, 119, 187, 219, 231, 267, 357, 511, 561, 623, 803, 979, 1241, 1309, 1513, 1533, 1869, 2409, 2937, 3723, 3927, 4539, 5621, 6497, 6853, 8687, 10591, 13651, 16643, 16863, 19491, 20559, 26061, 31773, 40953, 45479, 49929, 71467, 95557, 110449, 116501, 136437, 214401, 286671, 331347, 349503, 500269, 773143, 1214939, 1500807, 2319429, 3644817, 8504573, 25513719]

約数ペア:

[(1, 25513719), (3, 8504573), (7, 3644817), (11, 2319429), (17, 1500807), (21, 1214939), (33, 773143), (51, 500269), (73, 349503), (77, 331347), (89, 286671), (119, 214401), (187, 136437), (219, 116501), (231, 110449), (267, 95557), (357, 71467), (511, 49929), (561, 45479), (623, 40953), (803, 31773), (979, 26061), (1241, 20559), (1309, 19491), (1513, 16863), (1533, 16643), (1869, 13651), (2409, 10591), (2937, 8687), (3723, 6853), (3927, 6497), (4539, 5621)]