77902012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{1321}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 142585632

約数和(自身を除く): 64683620

約数列:

[1, 2, 4, 23, 46, 92, 641, 1282, 1321, 2564, 2642, 5284, 14743, 29486, 30383, 58972, 60766, 121532, 846761, 1693522, 3387044, 19475503, 38951006, 77902012]

約数ペア:

[(1, 77902012), (2, 38951006), (4, 19475503), (23, 3387044), (46, 1693522), (92, 846761), (641, 121532), (1282, 60766), (1321, 58972), (2564, 30383), (2642, 29486), (5284, 14743)]