68934890

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{8521}}^1$

素因数の和:9337

約数の個数: 16

約数和(自身を含む): 124250760

約数和(自身を除く): 55315870

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 8521, 17042, 42605, 85210, 6893489, 13786978, 34467445, 68934890]

約数ペア:

[(1, 68934890), (2, 34467445), (5, 13786978), (10, 6893489), (809, 85210), (1618, 42605), (4045, 17042), (8090, 8521)]