81480028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93871}}^1$

素因数の和:93913

約数の個数: 24

約数和(自身を含む): 168218624

約数和(自身を除く): 86738596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93871, 187742, 375484, 657097, 1314194, 2628388, 2910001, 5820002, 11640004, 20370007, 40740014, 81480028]

約数ペア:

[(1, 81480028), (2, 40740014), (4, 20370007), (7, 11640004), (14, 5820002), (28, 2910001), (31, 2628388), (62, 1314194), (124, 657097), (217, 375484), (434, 187742), (868, 93871)]