38400055

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 46807488

約数和(自身を除く): 8407433

約数列:

[1, 5, 151, 181, 281, 755, 905, 1405, 27331, 42431, 50861, 136655, 212155, 254305, 7680011, 38400055]

約数ペア:

[(1, 38400055), (5, 7680011), (151, 254305), (181, 212155), (281, 136655), (755, 50861), (905, 42431), (1405, 27331)]