66519830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{511691}}^1$

素因数の和:511711

約数の個数: 16

約数和(自身を含む): 128946384

約数和(自身を除く): 62426554

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 511691, 1023382, 2558455, 5116910, 6651983, 13303966, 33259915, 66519830]

約数ペア:

[(1, 66519830), (2, 33259915), (5, 13303966), (10, 6651983), (13, 5116910), (26, 2558455), (65, 1023382), (130, 511691)]