490862021

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 557819136

約数和(自身を除く): 66957115

約数列:

[1, 13, 23, 169, 293, 299, 431, 3809, 3887, 5603, 6739, 9913, 49517, 72839, 87607, 126283, 128869, 1138891, 1641679, 1675297, 2904509, 21341827, 37758617, 490862021]

約数ペア:

[(1, 490862021), (13, 37758617), (23, 21341827), (169, 2904509), (293, 1675297), (299, 1641679), (431, 1138891), (3809, 128869), (3887, 126283), (5603, 87607), (6739, 72839), (9913, 49517)]