251796398

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 465120000

約数和(自身を除く): 213323602

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 271, 499, 542, 931, 998, 1862, 1897, 3493, 3794, 5149, 6986, 9481, 10298, 13279, 18962, 24451, 26558, 36043, 48902, 66367, 72086, 132734, 135229, 252301, 270458, 464569, 504602, 929138, 946603, 1893206, 2569351, 5138702, 6626221, 13252442, 17985457, 35970914, 125898199, 251796398]

約数ペア:

[(1, 251796398), (2, 125898199), (7, 35970914), (14, 17985457), (19, 13252442), (38, 6626221), (49, 5138702), (98, 2569351), (133, 1893206), (266, 946603), (271, 929138), (499, 504602), (542, 464569), (931, 270458), (998, 252301), (1862, 135229), (1897, 132734), (3493, 72086), (3794, 66367), (5149, 48902), (6986, 36043), (9481, 26558), (10298, 24451), (13279, 18962)]