203965489

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3301}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 258229608

約数和(自身を除く): 54264119

約数列:

[1, 7, 13, 49, 91, 97, 637, 679, 1261, 3301, 4753, 8827, 23107, 42913, 61789, 161749, 300391, 320197, 2102737, 2241379, 4162561, 15689653, 29137927, 203965489]

約数ペア:

[(1, 203965489), (7, 29137927), (13, 15689653), (49, 4162561), (91, 2241379), (97, 2102737), (637, 320197), (679, 300391), (1261, 161749), (3301, 61789), (4753, 42913), (8827, 23107)]