11887975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 16248960

約数和(自身を除く): 4360985

約数列:

[1, 5, 11, 25, 55, 139, 275, 311, 695, 1529, 1555, 3421, 3475, 7645, 7775, 17105, 38225, 43229, 85525, 216145, 475519, 1080725, 2377595, 11887975]

約数ペア:

[(1, 11887975), (5, 2377595), (11, 1080725), (25, 475519), (55, 216145), (139, 85525), (275, 43229), (311, 38225), (695, 17105), (1529, 7775), (1555, 7645), (3421, 3475)]