390987373

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{13567}}^1$

素因数の和:13776

約数の個数: 16

約数和(自身を含む): 468910080

約数和(自身を除く): 77922707

約数列:

[1, 7, 23, 161, 179, 1253, 4117, 13567, 28819, 94969, 312041, 2184287, 2428493, 16999451, 55855339, 390987373]

約数ペア:

[(1, 390987373), (7, 55855339), (23, 16999451), (161, 2428493), (179, 2184287), (1253, 312041), (4117, 94969), (13567, 28819)]