31418779

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 37636096

約数和(自身を除く): 6217317

約数列:

[1, 7, 31, 67, 217, 469, 2077, 2161, 14539, 15127, 66991, 144787, 468937, 1013509, 4488397, 31418779]

約数ペア:

[(1, 31418779), (7, 4488397), (31, 1013509), (67, 468937), (217, 144787), (469, 66991), (2077, 15127), (2161, 14539)]