281371489

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 347719680

約数和(自身を除く): 66348191

約数列:

[1, 7, 23, 43, 97, 161, 301, 419, 679, 989, 2231, 2933, 4171, 6923, 9637, 15617, 18017, 29197, 40643, 67459, 95933, 126119, 284501, 414391, 671531, 934789, 1747649, 2900737, 6543523, 12233543, 40195927, 281371489]

約数ペア:

[(1, 281371489), (7, 40195927), (23, 12233543), (43, 6543523), (97, 2900737), (161, 1747649), (301, 934789), (419, 671531), (679, 414391), (989, 284501), (2231, 126119), (2933, 95933), (4171, 67459), (6923, 40643), (9637, 29197), (15617, 18017)]