28756475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1973}}^1$

素因数の和:2047

約数の個数: 24

約数和(自身を含む): 39653712

約数和(自身を除く): 10897237

約数列:

[1, 5, 11, 25, 53, 55, 265, 275, 583, 1325, 1973, 2915, 9865, 14575, 21703, 49325, 104569, 108515, 522845, 542575, 1150259, 2614225, 5751295, 28756475]

約数ペア:

[(1, 28756475), (5, 5751295), (11, 2614225), (25, 1150259), (53, 542575), (55, 522845), (265, 108515), (275, 104569), (583, 49325), (1325, 21703), (1973, 14575), (2915, 9865)]