71467024

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 141741920

約数和(自身を除く): 70274896

約数列:

[1, 2, 4, 8, 16, 67, 134, 163, 268, 326, 409, 536, 652, 818, 1072, 1304, 1636, 2608, 3272, 6544, 10921, 21842, 27403, 43684, 54806, 66667, 87368, 109612, 133334, 174736, 219224, 266668, 438448, 533336, 1066672, 4466689, 8933378, 17866756, 35733512, 71467024]

約数ペア:

[(1, 71467024), (2, 35733512), (4, 17866756), (8, 8933378), (16, 4466689), (67, 1066672), (134, 533336), (163, 438448), (268, 266668), (326, 219224), (409, 174736), (536, 133334), (652, 109612), (818, 87368), (1072, 66667), (1304, 54806), (1636, 43684), (2608, 27403), (3272, 21842), (6544, 10921)]