28657026

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 63826776

約数和(自身を除く): 35169750

約数列:

[1, 2, 3, 6, 9, 18, 73, 113, 146, 193, 219, 226, 339, 386, 438, 579, 657, 678, 1017, 1158, 1314, 1737, 2034, 3474, 8249, 14089, 16498, 21809, 24747, 28178, 42267, 43618, 49494, 65427, 74241, 84534, 126801, 130854, 148482, 196281, 253602, 392562, 1592057, 3184114, 4776171, 9552342, 14328513, 28657026]

約数ペア:

[(1, 28657026), (2, 14328513), (3, 9552342), (6, 4776171), (9, 3184114), (18, 1592057), (73, 392562), (113, 253602), (146, 196281), (193, 148482), (219, 130854), (226, 126801), (339, 84534), (386, 74241), (438, 65427), (579, 49494), (657, 43618), (678, 42267), (1017, 28178), (1158, 24747), (1314, 21809), (1737, 16498), (2034, 14089), (3474, 8249)]