28503986

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 51254400

約数和(自身を除く): 22750414

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 1123, 1813, 2246, 3626, 7861, 12691, 15722, 25382, 41551, 55027, 83102, 110054, 290857, 385189, 581714, 770378, 2035999, 4071998, 14251993, 28503986]

約数ペア:

[(1, 28503986), (2, 14251993), (7, 4071998), (14, 2035999), (37, 770378), (49, 581714), (74, 385189), (98, 290857), (259, 110054), (343, 83102), (518, 55027), (686, 41551), (1123, 25382), (1813, 15722), (2246, 12691), (3626, 7861)]