66787370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{513749}}^1$

素因数の和:513769

約数の個数: 16

約数和(自身を含む): 129465000

約数和(自身を除く): 62677630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 513749, 1027498, 2568745, 5137490, 6678737, 13357474, 33393685, 66787370]

約数ペア:

[(1, 66787370), (2, 33393685), (5, 13357474), (10, 6678737), (13, 5137490), (26, 2568745), (65, 1027498), (130, 513749)]