219557128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{126473}}^1$

素因数の和:126517

約数の個数: 32

約数和(自身を含む): 485660160

約数和(自身を除く): 266103032

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 126473, 252946, 505892, 885311, 1011784, 1770622, 3541244, 3920663, 7082488, 7841326, 15682652, 27444641, 31365304, 54889282, 109778564, 219557128]

約数ペア:

[(1, 219557128), (2, 109778564), (4, 54889282), (7, 31365304), (8, 27444641), (14, 15682652), (28, 7841326), (31, 7082488), (56, 3920663), (62, 3541244), (124, 1770622), (217, 1011784), (248, 885311), (434, 505892), (868, 252946), (1736, 126473)]