280858952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{22961}}^1$

素因数の和:23117

約数の個数: 32

約数和(自身を含む): 578642400

約数和(自身を除く): 297783448

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 22961, 45922, 91844, 183688, 252571, 505142, 1010284, 2020568, 3191579, 6383158, 12766316, 25532632, 35107369, 70214738, 140429476, 280858952]

約数ペア:

[(1, 280858952), (2, 140429476), (4, 70214738), (8, 35107369), (11, 25532632), (22, 12766316), (44, 6383158), (88, 3191579), (139, 2020568), (278, 1010284), (556, 505142), (1112, 252571), (1529, 183688), (3058, 91844), (6116, 45922), (12232, 22961)]