128996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 274176

約数和(自身を除く): 145180

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 271, 476, 542, 1084, 1897, 3794, 4607, 7588, 9214, 18428, 32249, 64498, 128996]

約数ペア:

[(1, 128996), (2, 64498), (4, 32249), (7, 18428), (14, 9214), (17, 7588), (28, 4607), (34, 3794), (68, 1897), (119, 1084), (238, 542), (271, 476)]