68720828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{23311}}^1$

素因数の和:23393

約数の個数: 24

約数和(自身を含む): 133158144

約数和(自身を除く): 64437316

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 23311, 46622, 93244, 256421, 512842, 1025684, 1561837, 3123674, 6247348, 17180207, 34360414, 68720828]

約数ペア:

[(1, 68720828), (2, 34360414), (4, 17180207), (11, 6247348), (22, 3123674), (44, 1561837), (67, 1025684), (134, 512842), (268, 256421), (737, 93244), (1474, 46622), (2948, 23311)]