25283739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 38513664

約数和(自身を除く): 13229925

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 397, 897, 923, 1191, 1633, 2769, 4899, 5161, 9131, 15483, 21229, 27393, 28187, 63687, 84561, 118703, 356109, 366431, 648301, 1099293, 1944903, 8427913, 25283739]

約数ペア:

[(1, 25283739), (3, 8427913), (13, 1944903), (23, 1099293), (39, 648301), (69, 366431), (71, 356109), (213, 118703), (299, 84561), (397, 63687), (897, 28187), (923, 27393), (1191, 21229), (1633, 15483), (2769, 9131), (4899, 5161)]