28509370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 24056390

約数列:

[1, 2, 5, 10, 89, 103, 178, 206, 311, 445, 515, 622, 890, 1030, 1555, 3110, 9167, 18334, 27679, 32033, 45835, 55358, 64066, 91670, 138395, 160165, 276790, 320330, 2850937, 5701874, 14254685, 28509370]

約数ペア:

[(1, 28509370), (2, 14254685), (5, 5701874), (10, 2850937), (89, 320330), (103, 276790), (178, 160165), (206, 138395), (311, 91670), (445, 64066), (515, 55358), (622, 45835), (890, 32033), (1030, 27679), (1555, 18334), (3110, 9167)]