81958142

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{65777}}^1$

素因数の和:65875

約数の個数: 16

約数和(自身を含む): 142080480

約数和(自身を除く): 60122338

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 65777, 131554, 460439, 920878, 5854153, 11708306, 40979071, 81958142]

約数ペア:

[(1, 81958142), (2, 40979071), (7, 11708306), (14, 5854153), (89, 920878), (178, 460439), (623, 131554), (1246, 65777)]