199895905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{117241}}^1$

素因数の和:117288

約数の個数: 16

約数和(自身を含む): 270125568

約数和(自身を除く): 70229663

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 117241, 586205, 1289651, 3634471, 6448255, 18172355, 39979181, 199895905]

約数ペア:

[(1, 199895905), (5, 39979181), (11, 18172355), (31, 6448255), (55, 3634471), (155, 1289651), (341, 586205), (1705, 117241)]