25628739

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 12456381

約数列:

[1, 3, 19, 23, 57, 69, 113, 173, 339, 437, 519, 1311, 2147, 2599, 3287, 3979, 6441, 7797, 9861, 11937, 19549, 49381, 58647, 75601, 148143, 226803, 371431, 449627, 1114293, 1348881, 8542913, 25628739]

約数ペア:

[(1, 25628739), (3, 8542913), (19, 1348881), (23, 1114293), (57, 449627), (69, 371431), (113, 226803), (173, 148143), (339, 75601), (437, 58647), (519, 49381), (1311, 19549), (2147, 11937), (2599, 9861), (3287, 7797), (3979, 6441)]