401988

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 948640

約数和(自身を除く): 546652

約数列:

[1, 2, 3, 4, 6, 12, 139, 241, 278, 417, 482, 556, 723, 834, 964, 1446, 1668, 2892, 33499, 66998, 100497, 133996, 200994, 401988]

約数ペア:

[(1, 401988), (2, 200994), (3, 133996), (4, 100497), (6, 66998), (12, 33499), (139, 2892), (241, 1668), (278, 1446), (417, 964), (482, 834), (556, 723)]