81871404

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{66239}}^1$

素因数の和:66349

約数の個数: 24

約数和(自身を含む): 192890880

約数和(自身を除く): 111019476

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 66239, 132478, 198717, 264956, 397434, 794868, 6822617, 13645234, 20467851, 27290468, 40935702, 81871404]

約数ペア:

[(1, 81871404), (2, 40935702), (3, 27290468), (4, 20467851), (6, 13645234), (12, 6822617), (103, 794868), (206, 397434), (309, 264956), (412, 198717), (618, 132478), (1236, 66239)]