990596315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{21481}}^1$

素因数の和:21910

約数の個数: 16

約数和(自身を含む): 1243550016

約数和(自身を除く): 252953701

約数列:

[1, 5, 23, 115, 401, 2005, 9223, 21481, 46115, 107405, 494063, 2470315, 8613881, 43069405, 198119263, 990596315]

約数ペア:

[(1, 990596315), (5, 198119263), (23, 43069405), (115, 8613881), (401, 2470315), (2005, 494063), (9223, 107405), (21481, 46115)]