25889591

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 32845680

約数和(自身を除く): 6956089

約数列:

[1, 7, 13, 49, 91, 97, 419, 637, 679, 1261, 2933, 4753, 5447, 8827, 20531, 38129, 40643, 61789, 266903, 284501, 528359, 1991507, 3698513, 25889591]

約数ペア:

[(1, 25889591), (7, 3698513), (13, 1991507), (49, 528359), (91, 284501), (97, 266903), (419, 61789), (637, 40643), (679, 38129), (1261, 20531), (2933, 8827), (4753, 5447)]