1989799

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 2515968

約数和(自身を除く): 526169

約数列:

[1, 7, 17, 23, 119, 161, 391, 727, 2737, 5089, 12359, 16721, 86513, 117047, 284257, 1989799]

約数ペア:

[(1, 1989799), (7, 284257), (17, 117047), (23, 86513), (119, 16721), (161, 12359), (391, 5089), (727, 2737)]