27718684

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 57286656

約数和(自身を除く): 29567972

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 142, 146, 191, 284, 292, 382, 497, 511, 764, 994, 1022, 1337, 1988, 2044, 2674, 5183, 5348, 10366, 13561, 13943, 20732, 27122, 27886, 36281, 54244, 55772, 72562, 94927, 97601, 145124, 189854, 195202, 379708, 390404, 989953, 1979906, 3959812, 6929671, 13859342, 27718684]

約数ペア:

[(1, 27718684), (2, 13859342), (4, 6929671), (7, 3959812), (14, 1979906), (28, 989953), (71, 390404), (73, 379708), (142, 195202), (146, 189854), (191, 145124), (284, 97601), (292, 94927), (382, 72562), (497, 55772), (511, 54244), (764, 36281), (994, 27886), (1022, 27122), (1337, 20732), (1988, 13943), (2044, 13561), (2674, 10366), (5183, 5348)]