199065425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21121}}^1$

素因数の和:21173

約数の個数: 24

約数和(自身を含む): 275008440

約数和(自身を除く): 75943015

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 21121, 105605, 274573, 528025, 612509, 1372865, 3062545, 6864325, 7962617, 15312725, 39813085, 199065425]

約数ペア:

[(1, 199065425), (5, 39813085), (13, 15312725), (25, 7962617), (29, 6864325), (65, 3062545), (145, 1372865), (325, 612509), (377, 528025), (725, 274573), (1885, 105605), (9425, 21121)]