28958774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 51715440

約数和(自身を除く): 22756666

約数列:

[1, 2, 13, 19, 26, 31, 38, 61, 62, 122, 247, 403, 494, 589, 793, 806, 961, 1159, 1178, 1586, 1891, 1922, 2318, 3782, 7657, 12493, 15067, 15314, 18259, 24583, 24986, 30134, 35929, 36518, 49166, 58621, 71858, 117242, 237367, 467077, 474734, 762073, 934154, 1113799, 1524146, 2227598, 14479387, 28958774]

約数ペア:

[(1, 28958774), (2, 14479387), (13, 2227598), (19, 1524146), (26, 1113799), (31, 934154), (38, 762073), (61, 474734), (62, 467077), (122, 237367), (247, 117242), (403, 71858), (494, 58621), (589, 49166), (793, 36518), (806, 35929), (961, 30134), (1159, 24986), (1178, 24583), (1586, 18259), (1891, 15314), (1922, 15067), (2318, 12493), (3782, 7657)]