278319078

素因数分解:

$2^1\times 3^6\times {\mathrm{190891}}^1$

素因数の和:190911

約数の個数: 28

約数和(自身を含む): 625934868

約数和(自身を除く): 347615790

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 190891, 381782, 572673, 1145346, 1718019, 3436038, 5154057, 10308114, 15462171, 30924342, 46386513, 92773026, 139159539, 278319078]

約数ペア:

[(1, 278319078), (2, 139159539), (3, 92773026), (6, 46386513), (9, 30924342), (18, 15462171), (27, 10308114), (54, 5154057), (81, 3436038), (162, 1718019), (243, 1145346), (486, 572673), (729, 381782), (1458, 190891)]