205180264

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{1223}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 392022720

約数和(自身を除く): 186842456

約数列:

[1, 2, 4, 8, 67, 134, 268, 313, 536, 626, 1223, 1252, 2446, 2504, 4892, 9784, 20971, 41942, 81941, 83884, 163882, 167768, 327764, 382799, 655528, 765598, 1531196, 3062392, 25647533, 51295066, 102590132, 205180264]

約数ペア:

[(1, 205180264), (2, 102590132), (4, 51295066), (8, 25647533), (67, 3062392), (134, 1531196), (268, 765598), (313, 655528), (536, 382799), (626, 327764), (1223, 167768), (1252, 163882), (2446, 83884), (2504, 81941), (4892, 41942), (9784, 20971)]