65310856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1279}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 132249600

約数和(自身を除く): 66938744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 491, 982, 1279, 1964, 2558, 3928, 5116, 6383, 10232, 12766, 16627, 25532, 33254, 51064, 66508, 133016, 627989, 1255978, 2511956, 5023912, 8163857, 16327714, 32655428, 65310856]

約数ペア:

[(1, 65310856), (2, 32655428), (4, 16327714), (8, 8163857), (13, 5023912), (26, 2511956), (52, 1255978), (104, 627989), (491, 133016), (982, 66508), (1279, 51064), (1964, 33254), (2558, 25532), (3928, 16627), (5116, 12766), (6383, 10232)]