489364988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919859}}^1$

素因数の和:919889

約数の個数: 24

約数和(自身を含む): 1030243200

約数和(自身を除く): 540878212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 919859, 1839718, 3679436, 6439013, 12878026, 17477321, 25756052, 34954642, 69909284, 122341247, 244682494, 489364988]

約数ペア:

[(1, 489364988), (2, 244682494), (4, 122341247), (7, 69909284), (14, 34954642), (19, 25756052), (28, 17477321), (38, 12878026), (76, 6439013), (133, 3679436), (266, 1839718), (532, 919859)]