285013456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{195751}}^1$

素因数の和:195779

約数の個数: 40

約数和(自身を含む): 679650944

約数和(自身を除く): 394637488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 195751, 391502, 783004, 1370257, 1566008, 2544763, 2740514, 3132016, 5089526, 5481028, 10179052, 10962056, 17813341, 20358104, 21924112, 35626682, 40716208, 71253364, 142506728, 285013456]

約数ペア:

[(1, 285013456), (2, 142506728), (4, 71253364), (7, 40716208), (8, 35626682), (13, 21924112), (14, 20358104), (16, 17813341), (26, 10962056), (28, 10179052), (52, 5481028), (56, 5089526), (91, 3132016), (104, 2740514), (112, 2544763), (182, 1566008), (208, 1370257), (364, 783004), (728, 391502), (1456, 195751)]