85728775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 116514864

約数和(自身を除く): 30786089

約数列:

[1, 5, 11, 25, 55, 257, 275, 1213, 1285, 2827, 6065, 6425, 13343, 14135, 30325, 66715, 70675, 311741, 333575, 1558705, 3429151, 7793525, 17145755, 85728775]

約数ペア:

[(1, 85728775), (5, 17145755), (11, 7793525), (25, 3429151), (55, 1558705), (257, 333575), (275, 311741), (1213, 70675), (1285, 66715), (2827, 30325), (6065, 14135), (6425, 13343)]