16211975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 21946512

約数和(自身を除く): 5734537

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 601, 1079, 2075, 3005, 5395, 7813, 15025, 26975, 39065, 49883, 195325, 249415, 648479, 1247075, 3242395, 16211975]

約数ペア:

[(1, 16211975), (5, 3242395), (13, 1247075), (25, 648479), (65, 249415), (83, 195325), (325, 49883), (415, 39065), (601, 26975), (1079, 15025), (2075, 7813), (3005, 5395)]