81310988.000000000

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{30593}}^1$

素因数の和:30732

約数の個数: 28

約数和(自身を含む): 497336064

約数和(自身を除く): 248676160

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 30593, 61186, 122372, 244744, 489488, 978976, 1957952, 3885311, 7770622, 15541244, 31082488, 62164976, 124329952, 248659904]

約数ペア:

[(1, 248659904), (2, 124329952), (4, 62164976), (8, 31082488), (16, 15541244), (32, 7770622), (64, 3885311), (127, 1957952), (254, 978976), (508, 489488), (1016, 244744), (2032, 122372), (4064, 61186), (8128, 30593)]