28509082

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 24924998

約数列:

[1, 2, 7, 14, 19, 38, 49, 61, 98, 122, 133, 251, 266, 427, 502, 854, 931, 1159, 1757, 1862, 2318, 2989, 3514, 4769, 5978, 8113, 9538, 12299, 15311, 16226, 24598, 30622, 33383, 56791, 66766, 107177, 113582, 214354, 233681, 290909, 467362, 581818, 750239, 1500478, 2036363, 4072726, 14254541, 28509082]

約数ペア:

[(1, 28509082), (2, 14254541), (7, 4072726), (14, 2036363), (19, 1500478), (38, 750239), (49, 581818), (61, 467362), (98, 290909), (122, 233681), (133, 214354), (251, 113582), (266, 107177), (427, 66766), (502, 56791), (854, 33383), (931, 30622), (1159, 24598), (1757, 16226), (1862, 15311), (2318, 12299), (2989, 9538), (3514, 8113), (4769, 5978)]