155778925

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 199172520

約数和(自身を除く): 43393595

約数列:

[1, 5, 25, 53, 89, 265, 445, 1321, 1325, 2225, 4717, 6605, 23585, 33025, 70013, 117569, 117925, 350065, 587845, 1750325, 2939225, 6231157, 31155785, 155778925]

約数ペア:

[(1, 155778925), (5, 31155785), (25, 6231157), (53, 2939225), (89, 1750325), (265, 587845), (445, 350065), (1321, 117925), (1325, 117569), (2225, 70013), (4717, 33025), (6605, 23585)]