290387622

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{987713}}^1$

素因数の和:987732

約数の個数: 24

約数和(自身を含む): 675596376

約数和(自身を除く): 385208754

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 987713, 1975426, 2963139, 5926278, 6913991, 13827982, 20741973, 41483946, 48397937, 96795874, 145193811, 290387622]

約数ペア:

[(1, 290387622), (2, 145193811), (3, 96795874), (6, 48397937), (7, 41483946), (14, 20741973), (21, 13827982), (42, 6913991), (49, 5926278), (98, 2963139), (147, 1975426), (294, 987713)]