289399495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2417}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 434543616

約数和(自身を除く): 145144121

約数列:

[1, 5, 7, 11, 35, 55, 77, 311, 385, 1555, 2177, 2417, 3421, 10885, 12085, 16919, 17105, 23947, 26587, 84595, 119735, 132935, 186109, 751687, 930545, 3758435, 5261809, 8268557, 26309045, 41342785, 57879899, 289399495]

約数ペア:

[(1, 289399495), (5, 57879899), (7, 41342785), (11, 26309045), (35, 8268557), (55, 5261809), (77, 3758435), (311, 930545), (385, 751687), (1555, 186109), (2177, 132935), (2417, 119735), (3421, 84595), (10885, 26587), (12085, 23947), (16919, 17105)]