128663689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{45161}}^1$

素因数の和:45216

約数の個数: 16

約数和(自身を含む): 164750976

約数和(自身を除く): 36087287

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 45161, 316127, 496771, 1670957, 3477397, 11696699, 18380527, 128663689]

約数ペア:

[(1, 128663689), (7, 18380527), (11, 11696699), (37, 3477397), (77, 1670957), (259, 496771), (407, 316127), (2849, 45161)]