257155165

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{4523}}^1$

素因数の和:4748

約数の個数: 16

約数和(自身を含む): 314653248

約数和(自身を除く): 57498083

約数列:

[1, 5, 83, 137, 415, 685, 4523, 11371, 22615, 56855, 375409, 619651, 1877045, 3098255, 51431033, 257155165]

約数ペア:

[(1, 257155165), (5, 51431033), (83, 3098255), (137, 1877045), (415, 619651), (685, 375409), (4523, 56855), (11371, 22615)]