645242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 24

約数和(自身を含む): 1106784

約数和(自身を除く): 461542

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 169, 299, 338, 598, 1079, 1909, 2158, 3818, 3887, 7774, 14027, 24817, 28054, 49634, 322621, 645242]

約数ペア:

[(1, 645242), (2, 322621), (13, 49634), (23, 28054), (26, 24817), (46, 14027), (83, 7774), (166, 3887), (169, 3818), (299, 2158), (338, 1909), (598, 1079)]