20161240856

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{77213}}^1$

素因数の和:77603

約数の個数: 32

約数和(自身を含む): 38248727040

約数和(自身を除く): 18087486184

約数列:

[1, 2, 4, 8, 127, 254, 257, 508, 514, 1016, 1028, 2056, 32639, 65278, 77213, 130556, 154426, 261112, 308852, 617704, 9806051, 19612102, 19843741, 39224204, 39687482, 78448408, 79374964, 158749928, 2520155107, 5040310214, 10080620428, 20161240856]

約数ペア:

[(1, 20161240856), (2, 10080620428), (4, 5040310214), (8, 2520155107), (127, 158749928), (254, 79374964), (257, 78448408), (508, 39687482), (514, 39224204), (1016, 19843741), (1028, 19612102), (2056, 9806051), (32639, 617704), (65278, 308852), (77213, 261112), (130556, 154426)]