390716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 740880

約数和(自身を除く): 350164

約数列:

[1, 2, 4, 19, 38, 53, 76, 97, 106, 194, 212, 388, 1007, 1843, 2014, 3686, 4028, 5141, 7372, 10282, 20564, 97679, 195358, 390716]

約数ペア:

[(1, 390716), (2, 195358), (4, 97679), (19, 20564), (38, 10282), (53, 7372), (76, 5141), (97, 4028), (106, 3686), (194, 2014), (212, 1843), (388, 1007)]