338906009

素因数分解:

${\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 377848152

約数和(自身を除く): 38942143

約数列:

[1, 13, 53, 157, 169, 241, 689, 2041, 3133, 8321, 8957, 12773, 26533, 37837, 40729, 108173, 166049, 491881, 1406249, 2005361, 2158637, 6394453, 26069693, 338906009]

約数ペア:

[(1, 338906009), (13, 26069693), (53, 6394453), (157, 2158637), (169, 2005361), (241, 1406249), (689, 491881), (2041, 166049), (3133, 108173), (8321, 40729), (8957, 37837), (12773, 26533)]