71781505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1409}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 90149760

約数和(自身を除く): 18368255

約数列:

[1, 5, 23, 115, 443, 1409, 2215, 7045, 10189, 32407, 50945, 162035, 624187, 3120935, 14356301, 71781505]

約数ペア:

[(1, 71781505), (5, 14356301), (23, 3120935), (115, 624187), (443, 162035), (1409, 50945), (2215, 32407), (7045, 10189)]