9902725

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 14249088

約数和(自身を除く): 4346363

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 797, 1775, 2485, 3985, 5579, 12425, 19925, 27895, 56587, 139475, 282935, 396109, 1414675, 1980545, 9902725]

約数ペア:

[(1, 9902725), (5, 1980545), (7, 1414675), (25, 396109), (35, 282935), (71, 139475), (175, 56587), (355, 27895), (497, 19925), (797, 12425), (1775, 5579), (2485, 3985)]