66564764

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18719}}^1$

素因数の和:18857

約数の個数: 24

約数和(自身を含む): 134184960

約数和(自身を除く): 67620196

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 18719, 37438, 74876, 131033, 262066, 524132, 2377313, 4754626, 9509252, 16641191, 33282382, 66564764]

約数ペア:

[(1, 66564764), (2, 33282382), (4, 16641191), (7, 9509252), (14, 4754626), (28, 2377313), (127, 524132), (254, 262066), (508, 131033), (889, 74876), (1778, 37438), (3556, 18719)]