31702868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 60984000

約数和(自身を除く): 29281132

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 89, 109, 172, 178, 218, 356, 436, 817, 1634, 1691, 2071, 3268, 3382, 3827, 4142, 4687, 6764, 7654, 8284, 9374, 9701, 15308, 18748, 19402, 38804, 72713, 89053, 145426, 178106, 184319, 290852, 356212, 368638, 417143, 737276, 834286, 1668572, 7925717, 15851434, 31702868]

約数ペア:

[(1, 31702868), (2, 15851434), (4, 7925717), (19, 1668572), (38, 834286), (43, 737276), (76, 417143), (86, 368638), (89, 356212), (109, 290852), (172, 184319), (178, 178106), (218, 145426), (356, 89053), (436, 72713), (817, 38804), (1634, 19402), (1691, 18748), (2071, 15308), (3268, 9701), (3382, 9374), (3827, 8284), (4142, 7654), (4687, 6764)]