31780819

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 37034496

約数和(自身を除く): 5253677

約数列:

[1, 7, 107, 151, 281, 749, 1057, 1967, 16157, 30067, 42431, 113099, 210469, 297017, 4540117, 31780819]

約数ペア:

[(1, 31780819), (7, 4540117), (107, 297017), (151, 210469), (281, 113099), (749, 42431), (1057, 30067), (1967, 16157)]