25744563

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 43432480

約数和(自身を除く): 17687917

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 171, 247, 313, 333, 481, 703, 741, 939, 1443, 2109, 2223, 2817, 4069, 4329, 5947, 6327, 9139, 11581, 12207, 17841, 27417, 34743, 36621, 53523, 77311, 82251, 104229, 150553, 220039, 231933, 451659, 660117, 695799, 1354977, 1980351, 2860507, 8581521, 25744563]

約数ペア:

[(1, 25744563), (3, 8581521), (9, 2860507), (13, 1980351), (19, 1354977), (37, 695799), (39, 660117), (57, 451659), (111, 231933), (117, 220039), (171, 150553), (247, 104229), (313, 82251), (333, 77311), (481, 53523), (703, 36621), (741, 34743), (939, 27417), (1443, 17841), (2109, 12207), (2223, 11581), (2817, 9139), (4069, 6327), (4329, 5947)]