216432875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 285562368

約数和(自身を除く): 69129493

約数列:

[1, 5, 23, 25, 83, 115, 125, 415, 575, 907, 1909, 2075, 2875, 4535, 9545, 10375, 20861, 22675, 47725, 75281, 104305, 113375, 238625, 376405, 521525, 1731463, 1882025, 2607625, 8657315, 9410125, 43286575, 216432875]

約数ペア:

[(1, 216432875), (5, 43286575), (23, 9410125), (25, 8657315), (83, 2607625), (115, 1882025), (125, 1731463), (415, 521525), (575, 376405), (907, 238625), (1909, 113375), (2075, 104305), (2875, 75281), (4535, 47725), (9545, 22675), (10375, 20861)]