11868025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^2$

素因数の和:142

約数の個数: 27

約数和(自身を含む): 16241799

約数和(自身を除く): 4373774

約数列:

[1, 5, 13, 25, 53, 65, 169, 265, 325, 689, 845, 1325, 2809, 3445, 4225, 8957, 14045, 17225, 36517, 44785, 70225, 182585, 223925, 474721, 912925, 2373605, 11868025]

約数ペア:

[(1, 11868025), (5, 2373605), (13, 912925), (25, 474721), (53, 223925), (65, 182585), (169, 70225), (265, 44785), (325, 36517), (689, 17225), (845, 14045), (1325, 8957), (2809, 4225)]