40338902

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2381}}^1$

素因数の和:2623

約数の個数: 16

約数和(自身を含む): 62255952

約数和(自身を除く): 21917050

約数列:

[1, 2, 43, 86, 197, 394, 2381, 4762, 8471, 16942, 102383, 204766, 469057, 938114, 20169451, 40338902]

約数ペア:

[(1, 40338902), (2, 20169451), (43, 938114), (86, 469057), (197, 204766), (394, 102383), (2381, 16942), (4762, 8471)]