31399942

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{11621}}^1$

素因数の和:11823

約数の個数: 16

約数和(自身を含む): 54112032

約数和(自身を除く): 22712090

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 11621, 23242, 81347, 162694, 2242853, 4485706, 15699971, 31399942]

約数ペア:

[(1, 31399942), (2, 15699971), (7, 4485706), (14, 2242853), (193, 162694), (386, 81347), (1351, 23242), (2702, 11621)]