391987246

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 679403520

約数和(自身を除く): 287416274

約数列:

[1, 2, 7, 14, 193, 239, 386, 478, 607, 1214, 1351, 1673, 2702, 3346, 4249, 8498, 46127, 92254, 117151, 145073, 234302, 290146, 322889, 645778, 820057, 1015511, 1640114, 2031022, 27999089, 55998178, 195993623, 391987246]

約数ペア:

[(1, 391987246), (2, 195993623), (7, 55998178), (14, 27999089), (193, 2031022), (239, 1640114), (386, 1015511), (478, 820057), (607, 645778), (1214, 322889), (1351, 290146), (1673, 234302), (2702, 145073), (3346, 117151), (4249, 92254), (8498, 46127)]