64420636

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{37717}}^1$

素因数の和:37789

約数の個数: 24

約数和(自身を含む): 130956896

約数和(自身を除く): 66536260

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 37717, 75434, 150868, 264019, 528038, 1056076, 2300737, 4601474, 9202948, 16105159, 32210318, 64420636]

約数ペア:

[(1, 64420636), (2, 32210318), (4, 16105159), (7, 9202948), (14, 4601474), (28, 2300737), (61, 1056076), (122, 528038), (244, 264019), (427, 150868), (854, 75434), (1708, 37717)]