4989905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 6220368

約数和(自身を除く): 1230463

約数列:

[1, 5, 41, 101, 205, 241, 505, 1205, 4141, 9881, 20705, 24341, 49405, 121705, 997981, 4989905]

約数ペア:

[(1, 4989905), (5, 997981), (41, 121705), (101, 49405), (205, 24341), (241, 20705), (505, 9881), (1205, 4141)]