289301887

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{1993}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 335949120

約数和(自身を除く): 46647233

約数列:

[1, 7, 89, 233, 623, 1631, 1993, 13951, 20737, 145159, 177377, 464369, 1241639, 3250583, 41328841, 289301887]

約数ペア:

[(1, 289301887), (7, 41328841), (89, 3250583), (233, 1241639), (623, 464369), (1631, 177377), (1993, 145159), (13951, 20737)]