31395994

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72341}}^1$

素因数の和:72381

約数の個数: 16

約数和(自身を含む): 55558656

約数和(自身を除く): 24162662

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 72341, 144682, 506387, 1012774, 2242571, 4485142, 15697997, 31395994]

約数ペア:

[(1, 31395994), (2, 15697997), (7, 4485142), (14, 2242571), (31, 1012774), (62, 506387), (217, 144682), (434, 72341)]