681378

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 1478400

約数和(自身を除く): 797022

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 139, 258, 278, 417, 817, 834, 1634, 2451, 2641, 4902, 5282, 5977, 7923, 11954, 15846, 17931, 35862, 113563, 227126, 340689, 681378]

約数ペア:

[(1, 681378), (2, 340689), (3, 227126), (6, 113563), (19, 35862), (38, 17931), (43, 15846), (57, 11954), (86, 7923), (114, 5977), (129, 5282), (139, 4902), (258, 2641), (278, 2451), (417, 1634), (817, 834)]