90789209

素因数分解:

$7^2\times {\mathrm{349}}^1\times {\mathrm{5309}}^1$

素因数の和:5672

約数の個数: 12

約数和(自身を含む): 105934500

約数和(自身を除く): 15145291

約数列:

[1, 7, 49, 349, 2443, 5309, 17101, 37163, 260141, 1852841, 12969887, 90789209]

約数ペア:

[(1, 90789209), (7, 12969887), (49, 1852841), (349, 260141), (2443, 37163), (5309, 17101)]